Updated on 2024/03/25

写真a

 
YAMAUCHI Yusuke
 
Organization
Graduate School of Engineering Materials Process Engineering 2 Professor
Graduate School
Graduate School of Engineering
Undergraduate School
School of Engineering Materials Science and Engineering
Title
Professor

Awards 3

  1. Laureate Fellow

    2024.1  

  2. 学術賞

    2023.12   日本化学会   導電性ナノ多孔体の創製

  3. 学術賞

    2023.11   日本セラミックス協会   金属有機構造体の熱分解による炭素系複合材料の創製

 

Papers 252

  1. A mesoporous gold biosensor to investigate immune checkpoint protein heterogeneity in single lung cancer cells Reviewed

    Emtiaz Ahmed, Mostafa Kamal Masud, Prathyusha Komatineni, Shuvashis Dey, Richard Lobb, Md Shahriar A. Hossain, Andreas Möller, Yusuke Yamauchi, Abu Ali Ibn Sina, Matt Trau

    Biosensors and Bioelectronics   Vol. 249   page: 115984 - 115984   2024.4

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    Language:English   Publishing type:Research paper (scientific journal)   Publisher:Elsevier BV  

    DOI: 10.1016/j.bios.2023.115984

  2. Recent advances in Ru/Ir-based electrocatalysts for acidic oxygen evolution reaction Reviewed

    Guoliang Gao, Zixu Sun, Xueli Chen, Guang Zhu, Bowen Sun, Yusuke Yamauchi, Shude Liu

    Applied Catalysis B: Environmental   Vol. 343   page: 123584 - 123584   2024.4

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    Authorship:Corresponding author   Language:English   Publishing type:Research paper (scientific journal)   Publisher:Elsevier BV  

    DOI: 10.1016/j.apcatb.2023.123584

  3. Recrystallization strategy of ZnBTC nanowires and derivates for supercapacitor application Reviewed

    Fei-Bao Zhang, Zu-Shun Fan, Brian Yuliarto, Sameh M. Osman, Minjun Kim, Yusuke Yamauchi

    Chemical Engineering Journal   Vol. 486   page: 150112 - 150112   2024.4

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    Authorship:Last author   Language:English   Publishing type:Research paper (scientific journal)   Publisher:Elsevier BV  

    DOI: 10.1016/j.cej.2024.150112

  4. Mild selective photochemical oxidation of an organic sulfide using OxP-polyimide porous polymers as singlet oxygen generators Reviewed

    Jan Hynek, Daniel T. Payne, Lok Kumar Shrestha, Mandeep K. Chahal, Renzhi Ma, Jiang Dong, Katsuhiko Ariga, Yusuke Yamauchi, Jonathan P. Hill

    Science and Technology of Advanced Materials   Vol. 25 ( 1 )   2024.3

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    Language:English   Publishing type:Research paper (scientific journal)   Publisher:Informa UK Limited  

    DOI: 10.1080/14686996.2024.2322458

  5. Heterometallic Electrocatalysts Derived from High-Nuclearity Metal Clusters for Efficient Overall Water Splitting Reviewed

    Fu-Chun Pan, Jun Jia, Feng Gong, Yonghui Liu, Shude Liu, Seong Chan Jun, Dunmin Lin, Yuzheng Guo, Yusuke Yamauchi, Yu Huo

    ACS Nano   Vol. 18 ( 8 ) page: 6202 - 6214   2024.2

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    Authorship:Corresponding author   Language:English   Publishing type:Research paper (scientific journal)   Publisher:American Chemical Society (ACS)  

    DOI: 10.1021/acsnano.3c09159

  6. Nanoporous Dna Field Effect Transistor with Potential for Random‐Access Memory Applications: A Selectivity Performance Evaluation Reviewed

    Volkan Kilinc, Ryoma Hayakawa, Yusuke Yamauchi, Yutaka Wakayama, Jonathan P. Hill

    Advanced Sensor Research     2024.2

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    Language:English   Publishing type:Research paper (scientific journal)   Publisher:Wiley  

    Abstract

    Methods to encode digital data items as strands of synthetic DNA followed by selective data retrieval have been demonstrated. However, these initially bio‐oriented processes remain slow and not optimized. DNA field‐effect transistor (DNA‐FET) is studied here as a possible random‐access memory (RAM) device for simple, selective and rapid ssDNA fragment retrieval used as data pool identifier. The DNA‐FET is based on a co‐planar Au‐gated fully organic transistor appended with short single‐stranded DNA (ssDNA) probes bearing a blocking molecule to prevent partial hybridization and achieve near perfect selectivity for short length ssDNA (up to 45 nt). Examination of transconductance of the novel active layer incorporating a DNA nanopore architecture reveals enhanced binding site accessibility. This, in turn, facilitates discriminatory hybridization, particularly in the physical retrieval of short‐length ssDNA from a competitive, concentrated ssDNA background pool consisting of nine different sequences, with at least one nucleotide difference. The DNA‐FET exhibits rapid operation (9 min) in the millivolt range, low detection limit (sub‐femtomolar), high selectivity and reusability. Considering the straightforward concept, near error‐free identification capacity and hypothetically outstanding scalability, the DNA‐FET described here has potential as a foundation for further exploration of advanced RAM technology in the DNA data storage process.

    DOI: 10.1002/adsr.202300176

  7. Metal-organic framework-based nanoarchitectonics: A promising material platform for electrochemical detection of organophosphorus pesticides Reviewed

    Peisen Huang, Wenjie Wu, Mohua Li, Zhengtong Li, Likun Pan, Tansir Ahamad, Saad M. Alshehri, Yoshio Bando, Yusuke Yamauchi, Xingtao Xu

    Coordination Chemistry Reviews   Vol. 501   page: 215534 - 215534   2024.2

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    Language:English   Publishing type:Research paper (scientific journal)   Publisher:Elsevier BV  

    DOI: 10.1016/j.ccr.2023.215534

  8. Structural design of Janus lamellar membrane based on bismuth oxychloride for comprehensive solar energy utilization Reviewed

    Weiming Zhou, Hongqiang Huang, Chong Wang, Liwei Wang, Xiangfeng Lin, Yusuke Asakura, Yusuke Yamauchi, Sameh M. Osman, Zhanhui Yuan

    Chemical Engineering Journal   Vol. 481   page: 148456 - 148456   2024.2

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    Language:English   Publishing type:Research paper (scientific journal)   Publisher:Elsevier BV  

    DOI: 10.1016/j.cej.2023.148456

  9. Pt Nanoparticle–Mn Single-Atom Pairs for Enhanced Oxygen Reduction Reviewed

    Xiaoqian Wei, Shaojia Song, Weiwei Cai, Yunqing Kang, Qie Fang, Ling Ling, Yingji Zhao, Zexing Wu, Xiaokai Song, Xingtao Xu, Sameh M. Osman, Weiyu Song, Toru Asahi, Yusuke Yamauchi, Chengzhou Zhu

    ACS Nano   Vol. 18 ( 5 ) page: 4308 - 4319   2024.1

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    Authorship:Corresponding author   Language:English   Publishing type:Research paper (scientific journal)   Publisher:American Chemical Society (ACS)  

    DOI: 10.1021/acsnano.3c09819

  10. Synthesis of millimeter-scale ZIF-8 single crystals and their reversible crystal structure changes Reviewed

    Azhar Alowasheeir, Nagy L. Torad, Toru Asahi, Saad M. Alshehri, Tansir Ahamad, Yoshio Bando, Miharu Eguchi, Yusuke Yamauchi, Yukana Terasawa, Minsu Han

    Science and Technology of Advanced Materials   Vol. 25 ( 1 )   2024.1

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    Language:English   Publishing type:Research paper (scientific journal)   Publisher:Informa UK Limited  

    DOI: 10.1080/14686996.2023.2292485

  11. Excess heat production of the pair annihilation of ionic vacancies in a copper redox reaction using a double bipolar MHD electrode Reviewed

    Makoto Miura, Atsushi Sugiyama, Yoshinobu Oshikiri, Ryoichi Morimoto, Iwao Mogi, Miki Miura, Yusuke Yamauchi, Ryoichi Aogaki

    Scientific Reports   Vol. 14 ( 1 )   2024.1

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    Authorship:Corresponding author   Language:English   Publishing type:Research paper (scientific journal)   Publisher:Springer Science and Business Media LLC  

    Abstract

    Through a copper double bipolar magnetohydrodynamic (MHD) electrode (MHDE) producing twice the amounts of ionic vacancies than a conventional single MHDE, the molar excess heat of the pair annihilation of ionic vacancies, 702 kJ mol<sup>−1</sup> at 10 T on average was obtained in a copper redox reaction. It was about twice as large as that of a single MHDE, 387 kJ mol<sup>−1</sup> at the same magnetic field. This result strongly suggests that a multi-channel bipolar MHDE will produce much greater excess heat. To conserve the linear momentum and electric charge during electron transfer in an electrode reaction, ionic vacancies are created, storing the solvation energy in the polarized core of the order of 0.1 nm, and the pair annihilation of the vacancies with opposite charges liberates the energy as excess heat. The promoted excess heat by the double bipolar MHDE with a diffuser at 10 T was 710 ± 144 kJ mol<sup>−1</sup>, whereas as mentioned above, 702 ± 426 kJ mol<sup>−1</sup> was obtained by the same electrode without such a diffuser. From the theoretical excess heat of 1140 kJ mol<sup>−1</sup>, the collision efficiencies in pair annihilation were 0.623 ± 0.126 and 0.616 ± 0.374, respectively. From these results, the reproducibility of the thermal measurement was experimentally validated. At the same time, it was concluded that at magnetic fields beyond 10 T, the concentration of ionic vacancy and the collision efficiency take constant uppermost values.

    DOI: 10.1038/s41598-024-51834-w

    Other Link: https://www.nature.com/articles/s41598-024-51834-w

  12. Surface Curvature Matters in Electrochemical Reactions Reviewed

    Cuiling Li, Yusuke Yamauchi

    ACS Central Science   Vol. 10 ( 1 ) page: 16 - 18   2024.1

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    Authorship:Last author   Language:English   Publishing type:Research paper (scientific journal)   Publisher:American Chemical Society (ACS)  

    DOI: 10.1021/acscentsci.3c01637

  13. Hierarchical Spatial Confinement Unlocking the Storage Limit of MoS<sub>2</sub> for Flexible High-Energy Supercapacitors Reviewed

    Ling Kang, Shude Liu, Qia Zhang, Jianxiong Zou, Jin Ai, Donghong Qiao, Wenda Zhong, Yuxiang Liu, Seong Chan Jun, Yusuke Yamauchi, Jian Zhang

    ACS Nano   Vol. 18 ( 3 ) page: 2149 - 2161   2024.1

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    Authorship:Corresponding author   Language:English   Publishing type:Research paper (scientific journal)   Publisher:American Chemical Society (ACS)  

    DOI: 10.1021/acsnano.3c09386

  14. Integrated Sensors for Soft Medical Robotics Reviewed

    Yulin Qiu, Aditya Ashok, Chi Cong Nguyen, Yusuke Yamauchi, Thanh Nho Do, Hoang‐Phuong Phan

    Small     2024.1

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    Language:English   Publishing type:Research paper (scientific journal)   Publisher:Wiley  

    Abstract

    Minimally invasive procedures assisted by soft robots for surgery, diagnostics, and drug delivery have unprecedented benefits over traditional solutions from both patient and surgeon perspectives. However, the translation of such technology into commercialization remains challenging. The lack of perception abilities is one of the obstructive factors paramount for a safe, accurate and efficient robot‐assisted intervention. Integrating different types of miniature sensors onto robotic end‐effectors is a promising trend to compensate for the perceptual deficiencies in soft robots. For example, haptic feedback with force sensors helps surgeons to control the interaction force at the tool‐tissue interface, impedance sensing of tissue electrical properties can be used for tumor detection. The last decade has witnessed significant progress in the development of multimodal sensors built on the advancement in engineering, material science and scalable micromachining technologies. This review article provides a snapshot on common types of integrated sensors for soft medical robots. It covers various sensing mechanisms, examples for practical and clinical applications, standard manufacturing processes, as well as insights on emerging engineering routes for the fabrication of novel and high‐performing sensing devices.

    DOI: 10.1002/smll.202308805

  15. Hierarchical bimetallic metal-organic frameworks with controllable assembling sub-units and interior architectures for enhanced ammonia detection Reviewed

    Silvia Chowdhury, Nagy L. Torad, Manjeet Godara, Ahmed A.M. El-Amir, Gilang Gumilar, Aditya Ashok, Mohammad Rezaul Karim, Ibrahim Abdullah Alnaser, Watcharop Chaikittisilp, Nirat Ray, Yusuke Yamauchi, Yusuf Valentino Kaneti

    Chemical Engineering Journal   Vol. 480   page: 147990 - 147990   2024.1

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    Language:English   Publishing type:Research paper (scientific journal)   Publisher:Elsevier BV  

    DOI: 10.1016/j.cej.2023.147990

  16. Superconducting joints using reacted multifilament MgB2 wires: A technology toward cryogen-free MRI magnets Reviewed

    Dipak Patel, Akiyoshi Matsumoto, Hiroaki Kumakura, Yuka Hara, Toru Hara, Minoru Maeda, Hao Liang, Yusuke Yamauchi, Seyong Choi, Jung Ho Kim, Md Shahriar A. Hossain

    Journal of Magnesium and Alloys   Vol. 12 ( 1 ) page: 159 - 170   2024.1

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    Language:English   Publishing type:Research paper (scientific journal)   Publisher:Elsevier BV  

    DOI: 10.1016/j.jma.2023.11.014

  17. Engineering a hollow bowl-like porous carbon-confined Ru–MgO hetero-structured nanopair as a high-performance catalyst for ammonia borane hydrolysis Reviewed

    Jialei Yang, Zhenyu Yang, Jiafu Li, Hao Gang, Donghai Mei, Dongming Yin, Ruiping Deng, Yifeng Zhu, Xingyun Li, Ning Wang, Sameh M. Osman, Yusuke Yamauchi

    Materials Horizons     2024

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    Authorship:Last author   Language:English   Publishing type:Research paper (scientific journal)   Publisher:Royal Society of Chemistry (RSC)  

    A sub-nano interfacial catalytic structure is orchestrated by tailor-designing a hollow bowl-like porous carbon-confined Ru–MgO hetero-structured nanopair as a high-performance catalyst for ammonia borane hydrolysis.

    DOI: 10.1039/d3mh01909h

  18. First-principles studies of enhanced oxygen reduction reactions on graphene- and nitrogen-doped graphene-coated platinum surfaces Reviewed

    Ho Ngoc Nam, Quan Manh Phung, Pongpol Choeichom, Yusuke Yamauchi, Nagahiro Saito

    Physical Chemistry Chemical Physics     2024

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    Language:English   Publishing type:Research paper (scientific journal)   Publisher:Royal Society of Chemistry (RSC)  

    Graphene coating and N-doped graphene coating are not only good physical protective layers but also have efficient ORR catalytic activity on platinum surfaces, which is important for promoting high-performance fuel cell technology.

    DOI: 10.1039/d4cp00269e

  19. SiO<sub>2</sub> assisted Cu<sup>0</sup>–Cu<sup>+</sup>–NH<sub>2</sub> composite interfaces for efficient CO<sub>2</sub> electroreduction to C<sub>2+</sub> products Reviewed

    Zi-Yang Zhang, Hao Tian, Han Jiao, Xin Wang, Lei Bian, Yuan Liu, Nithima Khaorapapong, Yusuke Yamauchi, Zhong-Li Wang

    Journal of Materials Chemistry A   Vol. 12 ( 2 ) page: 1218 - 1232   2024

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    Language:English   Publishing type:Research paper (scientific journal)   Publisher:Royal Society of Chemistry (RSC)  

    SiO<sub>2</sub> assisted abundant Cu<sup>0</sup>–Cu<sup>+</sup>–NH<sub>2</sub> composite interfaces enhance the adsorption and activation of CO<sub>2</sub> and H<sub>2</sub>O, strengthen the adsorption of CO intermediates, and promote C–C coupling to produce C<sub>2+</sub> products.

    DOI: 10.1039/d3ta05652j

  20. Sunlight-driven and gram-scale vanillin production <i>via</i> Mn-defected γ-MnO<sub>2</sub> catalyst in aqueous environment Reviewed

    Qingping Ke, Yurong Zhang, Chao Wan, Jun Tang, Shenglai Li, Xu Guo, Minsu Han, Takashi Hamada, Sameh M. Osman, Yunqing Kang, Yusuke Yamauchi

    Chemical Science     2024

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    Authorship:Last author   Language:English   Publishing type:Research paper (scientific journal)   Publisher:Royal Society of Chemistry (RSC)  

    We demonstrate Mn-defected γ-MnO<sub>2</sub> as photocatalyst for synthesis of vanillin in aqueous environment under room temperature. The ˙OH species on Mn-defected γ-MnO<sub>2</sub> act as reactive oxygen species for oxidation of vanillyl alcohol into vanillin.

    DOI: 10.1039/d3sc05654f

  21. Enhancing Electrocatalytic Performance via Thickness-Tuned Hollow N-Doped Mesoporous Carbon with Embedded Co Nanoparticles for Oxygen Reduction Reaction Reviewed

    Yingji Zhao, Liyang Zhu, Jing Tang, Lei Fu, Dong Jiang, Xiaoqian Wei, Hiroki Nara, Toru Asahi, Yusuke Yamauchi

    ACS Nano   Vol. 18 ( 1 ) page: 373 - 382   2023.12

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    Authorship:Last author, Corresponding author   Language:English   Publishing type:Research paper (scientific journal)   Publisher:American Chemical Society (ACS)  

    DOI: 10.1021/acsnano.3c07375

  22. Anisotropic Interface Successive Assembly for Bowl-Shaped Metal–Organic Framework Nanoreactors with Precisely Controllable Meso-/Microporous Nanodomains Reviewed

    Guiyuan Zhong, Guangrui Chen, Ji Han, Ruigang Sun, Bin Zhao, Haidong Xu, Sibo Wang, Yusuke Yamauchi, Buyuan Guan

    ACS Nano   Vol. 17 ( 24 ) page: 25061 - 25069   2023.12

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    Authorship:Corresponding author   Language:English   Publishing type:Research paper (scientific journal)   Publisher:American Chemical Society (ACS)  

    DOI: 10.1021/acsnano.3c07635

  23. Selective Etching of Metal–Organic Frameworks for Open Porous Structures: Mass-Efficient Catalysts with Enhanced Oxygen Reduction Reaction for Fuel Cells Reviewed

    Jingjing Li, Wei Xia, Xingtao Xu, Dong Jiang, Ze-Xing Cai, Jing Tang, Yanna Guo, Xianli Huang, Tao Wang, Jianping He, Buxing Han, Yusuke Yamauchi

    Journal of the American Chemical Society   Vol. 145 ( 50 ) page: 27262 - 27272   2023.12

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    Authorship:Last author, Corresponding author   Language:English   Publishing type:Research paper (scientific journal)   Publisher:American Chemical Society (ACS)  

    DOI: 10.1021/jacs.3c05544

  24. A quasi-solid state polymer electrolyte for high-rate and long-life sodium-metal batteries Reviewed

    S.K. Vineeth, Chhail Bihari Soni, Sungjemmenla, C. Sanjaykumar, Yusuke Yamauchi, Minsu Han, Vipin Kumar

    Journal of Energy Storage   Vol. 73   page: 108780 - 108780   2023.12

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    Language:English   Publishing type:Research paper (scientific journal)   Publisher:Elsevier BV  

    DOI: 10.1016/j.est.2023.108780

  25. Surface curvature effect on single-atom sites for the oxygen reduction reaction: A model of mesoporous MOF-derived carbon Reviewed

    Jingjing Li, Wei Xia, Yanna Guo, Ruijuan Qi, Xingtao Xu, Dong Jiang, Tao Wang, Yoshiyuki Sugahara, Jianping He, Yusuke Yamauchi

    Chemical Engineering Journal   Vol. 477   page: 146841 - 146841   2023.12

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    Authorship:Last author, Corresponding author   Language:English   Publishing type:Research paper (scientific journal)   Publisher:Elsevier BV  

    DOI: 10.1016/j.cej.2023.146841

  26. Unleashing the power of capacitive deionization: Advancing ion removal with biomass-derived porous carbonaceous electrodes Reviewed

    Hai Deng, Ziquan Wang, Minjun Kim, Yusuke Yamauchi, Stephen J. Eichhorn, Maria-Magdalena Titirici, Libo Deng

    Nano Energy   Vol. 117   page: 108914 - 108914   2023.12

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    Language:English   Publishing type:Research paper (scientific journal)   Publisher:Elsevier BV  

    DOI: 10.1016/j.nanoen.2023.108914

  27. Unlocking Catalytic Potential: Encasing CoP Nanoparticles within Mesoporous CoFeP Nanocubes for Enhanced Oxygen Evolution Reaction Reviewed

    Lei Fu, Jun Zhou, Zilin Zhou, Bing Xiao, Nithima Khaorapapong, Yunqing Kang, Kai Wu, Yusuke Yamauchi

    ACS Nano   Vol. 17 ( 22 ) page: 22744 - 22754   2023.11

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    Authorship:Last author, Corresponding author   Language:English   Publishing type:Research paper (scientific journal)   Publisher:American Chemical Society (ACS)  

    DOI: 10.1021/acsnano.3c07270

  28. Multi‐Scale Engineered 2D Carbon Polyhedron Array with Enhanced Electrocatalytic Performance Reviewed

    Xiaokai Song, Yujie Song, Xiaopeng Li, Xiaotong Wu, Zequn Wang, Xuhui Sun, Meng An, Xiaoqian Wei, Yingji Zhao, Jiamin Wei, Chenglu Bi, Jianhua Sun, Hiroki Nara, Jungmok You, Yusuke Yamauchi

    Small   Vol. 20 ( 11 )   2023.11

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    Authorship:Last author, Corresponding author   Language:English   Publishing type:Research paper (scientific journal)   Publisher:Wiley  

    Abstract

    Electrocatalyst engineering from the atomic to macroscopic level of electrocatalysts is one of the most powerful routes to boost the performance of electrochemical devices. However, multi‐scale structure engineering mainly focuses on the range of atomic‐to‐particle scale such as hierarchical porosity engineering, while catalyst engineering at the macroscopic level, such as the arrangement configuration of nanoparticles, is often overlooked. Here, a 2D carbon polyhedron array with a multi‐scale engineered structure via facile chemical etching, ice‐templating induced self‐assembly, and high‐temperature pyrolysis processes is reported. Controlled phytic acid etching of the carbon precursor introduces homogeneous atomic phosphorous and nitrogen doping, as well as a well‐defined mesoporous structure. Subsequent ice‐templated self‐assembly triggers the formation of a 2D particle array superstructure. The atomic‐level doping gives rise to high intrinsic activity, while the well‐engineered porous structure and particle arrangement addresses the mass transport limitations at the microscopic particle level and macroscopic electrode level. As a result, the as‐prepared electrocatalyst delivers outstanding performance toward oxygen reduction reaction in both acidic and alkaline media, which is better than recently reported state‐of‐the‐art metal‐free electrocatalysts. Molecular dynamics simulation together with extensive characterizations indicate that the performance enhancement originates from multi‐scale structural synergy.

    DOI: 10.1002/smll.202305459

  29. Controlled synthesis of hollow carbon ring incorporated g-C3N4 tubes for boosting photocatalytic H2O2 production Reviewed

    Hao Luo, Tianshang Shan, Jianwen Zhou, Liulian Huang, Lihui Chen, Rongjian Sa, Yusuke Yamauchi, Jungmok You, Yusuke Asakura, Zhanhui Yuan, He Xiao

    Applied Catalysis B: Environmental   Vol. 337   page: 122933 - 122933   2023.11

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    Authorship:Corresponding author   Language:English   Publishing type:Research paper (scientific journal)   Publisher:Elsevier BV  

    DOI: 10.1016/j.apcatb.2023.122933

  30. Dynamics-driven tailoring of sub-nanometric Pt-Ni bimetals confined in hierarchical zeolite for catalytic hydrodeoxygenation Reviewed

    Yajie Tian, Longhui Guo, Congzhen Qiao, Zixu Sun, Yusuke Yamauchi, Shude Liu

    Applied Catalysis B: Environmental   Vol. 336   page: 122945 - 122945   2023.11

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    Authorship:Corresponding author   Language:English   Publishing type:Research paper (scientific journal)   Publisher:Elsevier BV  

    DOI: 10.1016/j.apcatb.2023.122945

  31. Photocatalytic dye degradation by BaTiO3/zeolitic imidazolate framework composite Reviewed

    Jaykishon Swain, Anulipsa Priyadarshini, Sugato Hajra, Swati Panda, Jagannath Panda, Raghabendra Samantaray, Yusuke Yamauchi, Minsu Han, Hoe Joon Kim, Rojalin Sahu

    Journal of Alloys and Compounds   Vol. 965   page: 171438 - 171438   2023.11

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    Language:English   Publishing type:Research paper (scientific journal)   Publisher:Elsevier BV  

    DOI: 10.1016/j.jallcom.2023.171438

  32. Superconducting joints of reacted monofilament MgB<sub>2</sub> wires sintered by hot uniaxial pressing system Reviewed

    Hao Liang, Andrzej Morawski, Dipak Patel, Tomasz Cetner, Md Motasim Billah, Matt Rindfleisch, Richard Taylor, Yusuke Yamauchi, Md Shahriar A Hossain

    Superconductor Science and Technology   Vol. 36 ( 12 ) page: 125011 - 125011   2023.10

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    Language:English   Publishing type:Research paper (scientific journal)   Publisher:IOP Publishing  

    Abstract

    Successful superconducting joints of reacted magnesium diboride (MgB<sub>2</sub>) monofilament wires are reported in this paper. The absence of a reliable method to develop superconducting joints between reacted MgB<sub>2</sub> wires presents a major obstacle to the wider adoption of MgB<sub>2</sub> as a material for magnet winding. A hot uniaxial pressing (HUP) system was exploited for sintering purposes since it can facilitate the formation of condensed in situ bulk on the wire filament. The wires were manufactured with an extra thick barrier material to protect the filament from damage during HUP sintering. The sintering temperature and pressure of the HUP system were varied to comprehend the best-performing joint. The performance of joints could be improved by depreciating the pores within the intermediate bulk of the joint. To prove this point, joints were cut to study their morphology. However, due to sintering in pressurised conditions, the reaction of the in situ intermediate bulk was not completed. The x-ray diffraction result detected a significant unreacted magnesium phase in the intermediate bulk. This work obtained joints of reacted MgB<sub>2</sub> wires which can be considered for industrial MgB<sub>2</sub> magnetic resonance imaging magnets fabrication.

    DOI: 10.1088/1361-6668/ad02c7

    Other Link: https://iopscience.iop.org/article/10.1088/1361-6668/ad02c7/pdf

  33. Inorganic‐Organic Nanoarchitectonics: MXene/Covalent Organic Framework Heterostructure for Superior Microextraction Reviewed

    Jingyu Wu, Zhuo Wang, Shuaihua Zhang, Qian Yang, Zhi Li, Xiaohuan Zang, Xiaoxian Zhao, Ningzhao Shang, Nithima Khaorapapong, Xingtao Xu, Yusuke Yamauchi

    Small   Vol. 20 ( 10 )   2023.10

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    Authorship:Last author, Corresponding author   Language:English   Publishing type:Research paper (scientific journal)   Publisher:Wiley  

    Abstract

    One of the difficulties limiting covalent organic frameworks (COFs) from becoming excellent adsorbents is their stacking/aggregation architectures owing to poor morphology/structure control during the synthesis process. Herein, an inorganic‐organic nanoarchitectonics strategy to synthesize the MXene/COF heterostructure (Ti<sub>3</sub>C<sub>2</sub>T<sub>x</sub>/TAPT‐TFP) is developed by the assembly of β‐ketoenamine‐linked COF on the Ti<sub>3</sub>C<sub>2</sub>T<sub>x</sub> MXene nanosheets. The as‐prepared Ti<sub>3</sub>C<sub>2</sub>T<sub>x</sub>/TAPT‐TFP retains the 2D architecture and high adsorption capacity of MXenes as well as large specific surface area and hierarchical porous structure of COFs. As a proof of concept, the potential of Ti<sub>3</sub>C<sub>2</sub>T<sub>x</sub>/TAPT‐TFP for solid‐phase microextraction (SPME) of trace organochlorine pesticides (OCPs) is investigated. The Ti<sub>3</sub>C<sub>2</sub>T<sub>x</sub>/TAPT‐TFP based SPME method achieves low limits of detection (0.036–0.126 ng g<sup>−1</sup>), wide linearity ranges (0.12–20.0 ng g<sup>−1</sup>), and acceptable repeatabilities for preconcentrating trace OCPs from fruit and vegetable samples. This study offers insights into the potential of constructing COF or MXene‐based heterostructures for the microextraction of environmental pollutants.

    DOI: 10.1002/smll.202305730

  34. Tensile Strain-Mediated Spinel Ferrites Enable Superior Oxygen Evolution Activity Reviewed

    Yaotian Yan, Jinghuang Lin, Keke Huang, Xiaohang Zheng, Liang Qiao, Shude Liu, Jian Cao, Seong Chan Jun, Yusuke Yamauchi, Junlei Qi

    Journal of the American Chemical Society   Vol. 145 ( 44 ) page: 24218 - 24229   2023.10

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    Authorship:Corresponding author   Language:English   Publishing type:Research paper (scientific journal)   Publisher:American Chemical Society (ACS)  

    DOI: 10.1021/jacs.3c08598

  35. Mesoporous Metastable CuTe<sub>2</sub> Semiconductor Reviewed

    Aditya Ashok, Arya Vasanth, Tomota Nagaura, Caitlin Setter, Jack Kay Clegg, Alexander Fink, Mostafa Kamal Masud, Md Shahriar Hossain, Takashi Hamada, Miharu Eguchi, Hoang-Phuong Phan, Yusuke Yamauchi

    Journal of the American Chemical Society   Vol. 145 ( 43 ) page: 23461 - 23469   2023.10

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    Authorship:Last author, Corresponding author   Language:English   Publishing type:Research paper (scientific journal)   Publisher:American Chemical Society (ACS)  

    DOI: 10.1021/jacs.3c05846

  36. Water Activation in Solar‐Powered Vapor Generation Reviewed

    Dan Wei, Chengbing Wang, Jing Zhang, Heng Zhao, Yusuke Asakura, Miharu Eguchi, Xingtao Xu, Yusuke Yamauchi

    Advanced Materials   Vol. 35 ( 47 )   2023.10

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    Abstract

    Solar‐powered vapor evaporation (SVG), based on the liquid‐gas phase conversion concept using solar energy, has been given close attention as a promising technology to address the global water shortage. At molecular level, water molecules escaping from liquid water should overcome the attraction of the molecules on the liquid surface layer to evaporate. For this reason, it is better to reduce the energy required for evaporation by breaking a smaller number of hydrogen bonds or forming weak hydrogen bonds to ensure efficient and convenient vapor production. Many novel evaporator materials and effective water activation strategies have been proposed to stimulate rapid steam production and surpass the theoretical thermal limit. However, an in‐depth understanding of the phase/enthalpy change process of water evaporation is unclear. In this review, a summary of theoretical analyses of vaporization enthalpy, general calculations, and characterization methods is provided. Various water activation mechanisms are also outlined to reduce evaporation enthalpy in evaporators. Moreover, unsolved issues associated with water activation are critically discussed to provide a direction for future research. Meanwhile, significant pioneering developments made in SVG are highlighted, hoping to provide a relatively entire chain for more scholars who are just stepping into this field.

    DOI: 10.1002/adma.202212100

  37. <i>Green Biomaterials</i> : fundamental principles Reviewed

    Navid Rabiee, Mehmet R. Dokmeci, Ali Zarrabi, Pooyan Makvandi, Mohammad Reza Saeb, Hassan Karimi-Maleh, Shima Jafarzadeh, Ceren Karaman, Yusuke Yamauchi, Majid Ebrahimi Warkiani, Sidi A. Bencherif, Geeta Mehta, Miharu Eguchi, Ajeet Kaushik, Mohammad-Ali Shahbazi, Ana Cláudia Paiva-Santos, Jacek Ryl, Eder C. Lima, Michael R. Hamblin, Rajender S. Varma, YunSuk Huh, A. T. Ezhil Vilian, Piyush Kumar Gupta, Sandeep Kumar Lakhera, Kavindra Kumar Kesari, Yu-Ting Liu, Mohammadreza Tahriri, Ganji Seeta Rama Raju, Mohsen Adeli, Ali Mohammadi, Jianglin Wang, Mohd Zahid Ansari, Tejraj Aminabhavi, Houman Savoji, Gautam Sethi, Tomasz Bączek, Agata Kot-Wasik, Marcela Elisabeth Penoff, Abdorreza Mohammadi Nafchi, Justyna Kucinska-Lipka, Masoumeh Zargar, Mohsen Asadnia, Amir Reza Aref, Moein Safarkhani, Milad Ashrafizadeh, Reddicherla Umapathi, Amir Ghasemi, Milica Radisic

    Green Biomaterials   Vol. 1 ( 1 ) page: 1 - 4   2023.10

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    Language:English   Publishing type:Research paper (scientific journal)   Publisher:Informa UK Limited  

    DOI: 10.1080/29934168.2023.2268943

  38. N, P-doped carbon nanorings for high-performance capacitive deionization Reviewed

    Jingyu Wu, Xiaoxu Xuan, Shuaihua Zhang, Zhi Li, Haolin Li, Bin Zhao, Haolin Ye, Zhichang Xiao, Xiaoxian Zhao, Xingtao Xu, Xinjuan Liu, Jungmok You, Yusuke Yamauchi

    Chemical Engineering Journal   Vol. 473   page: 145421 - 145421   2023.10

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    DOI: 10.1016/j.cej.2023.145421

  39. A general protocol for precise syntheses of ordered mesoporous intermetallic nanoparticles Reviewed

    Hao Lv, Yanzhi Wang, Lizhi Sun, Yusuke Yamauchi, Ben Liu

    Nature Protocols   Vol. 18 ( 10 ) page: 3126 - 3154   2023.9

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    Language:English   Publishing type:Research paper (scientific journal)   Publisher:Springer Science and Business Media LLC  

    DOI: 10.1038/s41596-023-00872-1

    Other Link: https://www.nature.com/articles/s41596-023-00872-1

  40. Retrospect and Prospect: Nanoarchitectonics of Platinum‐Group‐Metal‐Based Materials Reviewed

    Minsu Han, Kenya Kani, Jongbeom Na, Jeonghun Kim, Yoshio Bando, Tansir Ahamad, Saad M. Alshehri, Yusuke Yamauchi

    Advanced Functional Materials   Vol. 33 ( 44 )   2023.9

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    Abstract

    Nanoarchitectonics, a concept encompassing nanoscale microstructures and atomic arrangements in materials, enables the precise modification of materials for desired applications by controlling their physical and chemical properties, as well as surface charge or energy. Particularly in metal materials, where surface reactions play a critical role, nanoarchitecture becomes the most influential factor affecting activity, selectivity, and stability. Focusing on platinum‐group metals (PGMs) due to their inherently high efficiency in energy and environmental applications, this article provides a comprehensive review of synthetic methods for the morphological control of metal nanomaterials. The morphological control is classified into atomic arrangements in 0D, 1D, and 2D nanocrystals, as well as nanoporous structures, and the mechanisms of major reactions are covered in detail. Each chapter is supplemented with a table featuring several examples, facilitating the reader's understanding of the structural controls of PGMs. Finally, the article outlines future challenges in achieving novel metal nanoarchitecture. The hope is that this review provides valuable insights into the synthesis of PGM‐based nanomaterials and serves as a guide for designing and synthesizing innovative metal nanostructures for diverse applications.

    DOI: 10.1002/adfm.202301831

  41. Achieving high ion flux and asymmetric transport in nanofluidic membranes reconstructed from layered double hydroxide nanosheets Reviewed

    Fang Xian, LuLu Jia, Yoshiyuki Sugahara, Yusuke Yamauchi, Takayoshi Sasaki, Renzhi Ma

    Chemical Engineering Journal   Vol. 471   page: 144703 - 144703   2023.9

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    DOI: 10.1016/j.cej.2023.144703

  42. Multifunctional composite membranes for interfacial solar steam and electricity generation Reviewed

    Yiting Wu, Jianqiushi Ma, Shuo Zang, Weiming Zhou, Zequn Wang, Minsu Han, Sameh M. Osman, Chong Wang, Yusuke Yamauchi, Jungmok You, Meng An, Liwei Wang, Zhanhui Yuan

    Chemical Engineering Journal   Vol. 472   page: 144600 - 144600   2023.9

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    DOI: 10.1016/j.cej.2023.144600

  43. Ion-imprinted magnetic adsorbents for the selective capture of Cu(II) and their cascade application as heterogeneous recyclable catalysts for Ullmann and Glaser coupling reactions Reviewed

    Bin Zuo, Jiayu Zuo, Hanfei Chen, Qinyue Deng, Yusuke Yamauchi, Jeonghun Kim, Xingtao Xu

    Chemical Engineering Journal   Vol. 471   page: 143893 - 143893   2023.9

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    Language:English   Publishing type:Research paper (scientific journal)   Publisher:Elsevier BV  

    DOI: 10.1016/j.cej.2023.143893

  44. Hierarchical magnetic nitrogen-doped porous carbon derived from a covalent organic framework (COF) for the highly efficient removal of sulfamerazine Reviewed

    Jiale Liu, Weikang Guo, Hui Tao, Yusuke Asakura, Qin Shuai, Jeonghun Kim, Lijin Huang, Yusuke Yamauchi

    Chemical Engineering Journal   Vol. 471   page: 144544 - 144544   2023.9

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    DOI: 10.1016/j.cej.2023.144544

  45. Gorgeous turn-back: Rough surface treatment strategy induces Cu-C and N-C active moieties for bifunctional oxygen electrocatalysis Reviewed

    Shuai Wang, Zhongmei Che, Min Zou, Yue Wu, Min Cui, Yingshu Guo, Mingrui Zhang, Wei Hu, Zihan Zou, Guangqiang Lv, Zexing Wu, Jeonghun Kim, Yusuke Yamauchi

    Chemical Engineering Journal   Vol. 471   page: 144262 - 144262   2023.9

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    DOI: 10.1016/j.cej.2023.144262

  46. Distinctive p-d orbital hybridization in RuSb nanobranches for simultaneously enhanced hydrogen evolution and hydrazine oxidation in alkaline seawater Reviewed

    Xiaofei Liu, Tianxing Wang, Yilin Chen, Jingtao Wang, Wenjie Xie, Rongqian Wu, Xingtao Xu, Lihui Pang, Xiaogang Zhang, Yi Lv, Guangzhao Wang, Yusuke Yamauchi, Tian (Leo) Jin

    Applied Catalysis B: Environmental   Vol. 333   page: 122771 - 122771   2023.9

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    Authorship:Corresponding author   Language:English   Publishing type:Research paper (scientific journal)   Publisher:Elsevier BV  

    DOI: 10.1016/j.apcatb.2023.122771

  47. Construction of a 2D lamellar membrane for a combination of photocatalytic hydrogen evolution and photothermal water evaporation Reviewed

    Weiming Zhou, Hongqiang Huang, Yiting Wu, Jun Wang, Yusuke Yamauchi, Jeonghun Kim, Sameh M. Osman, Xingtao Xu, Liwei Wang, Chong Wang, Zhanhui Yuan

    Chemical Engineering Journal   Vol. 471   page: 144395 - 144395   2023.9

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    Language:English   Publishing type:Research paper (scientific journal)   Publisher:Elsevier BV  

    DOI: 10.1016/j.cej.2023.144395

  48. Emerging Pristine MOF‐Based Heterostructured Nanoarchitectures: Advances in Structure Evolution, Controlled Synthesis, and Future Perspectives Reviewed

    Qingqing He, Jie Bai, Huayu Wang, Shude Liu, Seong Chan Jun, Yusuke Yamauchi, Lingyun Chen

    Small   Vol. 19 ( 50 )   2023.8

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    Abstract

    Metal–organic frameworks (MOFs) can be customized through modular assembly to achieve a wide range of potential applications, based on their desired functionality. However, most of the initially reported MOFs are limited to microporous systems and are not sufficiently stable, which restricts their popularization. Heterogeneity is introduced into a simple MOF framework to create MOF‐based heterostructures with fascinating properties and interesting functions. Heterogeneity can be introduced into the MOFs via postsynthetic/ligand exchange. Although the ligand exchange has shown potential, it is difficult to precisely control the degree of exchange or position. Among the various synthesis strategies, hierarchical assembly is particularly attractive for constructing MOF‐based heterostructures, as it can achieve precise regulation of MOF‐based heterostructured nanostructures. The hierarchical assembly significantly expands the compositional diversity of MOF‐based heterostructures, which has high elasticity for lattice matching during the epitaxial growth of MOFs. This review focuses on the synthetic evolution mechanism of hierarchical assemblies of MOF‐based nanoarchitectures. Subsequently, the precise control of pore structure, pore size, and morphology of MOF‐based nanoarchitectures by hierarchical assembly is emphasized. Finally, possible solutions to address the challenges associated with heterogeneous interfaces are presented, and potential opportunities for innovative applications are proposed.

    DOI: 10.1002/smll.202303884

  49. Materials Space‐Tectonics: Atomic‐level Compositional and Spatial Control Methodologies for Synthesis of Future Materials Reviewed

    Miharu Eguchi, Minsu Han, Yusuke Asakura, Jonathan P. Hill, Joel Henzie, Katsuhiko Ariga, Alan E. Rowan, Watcharop Chaikittisilp, Yusuke Yamauchi

    Angewandte Chemie International Edition   Vol. 62 ( 46 )   2023.8

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    Abstract

    Reactions occurring at surfaces and interfaces necessitate the creation of well‐designed surface and interfacial structures. To achieve a combination of bulk material (i.e., framework) and void spaces, a meticulous process of “nano‐architecting” of the available space is necessary. Conventional porous materials such as mesoporous silica, zeolites, and metal–organic frameworks lack advanced cooperative functionalities owing to their largely monotonous pore geometries and limited conductivities. To overcome these limitations and develop functional structures with surface‐specific functions, the novel materials space‐tectonics methodology has been proposed for future materials synthesis. This review summarizes recent examples of materials synthesis based on designing building blocks (i.e., tectons) and their hybridization, along with practical guidelines for implementing materials syntheses and state‐of‐the‐art examples of practical applications. Lastly, the potential integration of materials space‐tectonics with emerging technologies, such as materials informatics, is discussed.

    DOI: 10.1002/anie.202307615

  50. Open‐Mouthed Hollow Carbons: Systematic Studies as Cobalt‐ and Nitrogen‐Doped Carbon Electrocatalysts for Oxygen Reduction Reaction Reviewed

    Yingji Zhao, Hiroki Nara, Dong Jiang, Toru Asahi, Sameh M. Osman, Jeonghun Kim, Jing Tang, Yusuke Yamauchi

    Small   Vol. 19 ( 48 )   2023.7

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    Abstract

    Although hollow carbon structures have been extensively studied in recent years, their interior surfaces are not fully utilized due to the lack of fluent porous channels in the closed shell walls. This study presents a tailored design of open‐mouthed particles hollow cobalt/nitrogen‐doped carbon with mesoporous shells (OMH‐Co/NC), which exhibits sufficient accessibility and electroactivity on both the inner and outer surfaces. By leveraging the self‐conglobation effect of metal sulfate in methanol, a raspberry‐structured Zn/Co‐ZIF (R‐Zn/Co‐ZIF) precursor is obtained, which is further carbonized to fabricate the OMH‐Co/NC. In‐depth electrochemical investigations demonstrate that the introduction of open pores can enhance mass transfer and improve the utilization of the inner active sites. Benefiting from its unique structure, the resulting OMH‐Co/NC exhibits exceptional electrocatalytic oxygen reduction performance, achieving a half‐wave potential of 0.865 V and demonstrating excellent durability.

    DOI: 10.1002/smll.202304450

  51. Adjacent Copper Single Atoms Promote C–C Coupling in Electrochemical CO<sub>2</sub> Reduction for the Efficient Conversion of Ethanol Reviewed

    Wei Xia, Yijun Xie, Shuaiqiang Jia, Shitao Han, Ruijuan Qi, Tao Chen, Xueqing Xing, Ting Yao, Dawei Zhou, Xue Dong, Jianxin Zhai, Jingjing Li, Jianping He, Dong Jiang, Yusuke Yamauchi, Mingyuan He, Haihong Wu, Buxing Han

    Journal of the American Chemical Society   Vol. 145 ( 31 ) page: 17253 - 17264   2023.7

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    DOI: 10.1021/jacs.3c04612

  52. Construction of Three-Dimensional Dendritic Hierarchically Porous Metal–Organic Framework Nanoarchitectures via Noncentrosymmetric Pore–Induced Anisotropic Assembly Reviewed

    Tianyu Wu, Guangrui Chen, Ji Han, Ruigang Sun, Bin Zhao, Guiyuan Zhong, Yusuke Yamauchi, Buyuan Guan

    Journal of the American Chemical Society   Vol. 145 ( 30 ) page: 16498 - 16507   2023.7

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    DOI: 10.1021/jacs.3c03029

  53. A Self-Floating Robust Polyaniline-Wood Composite Fabricated by One-Step In-Situ Polymerization for High-Performance Solar Steam Generation Reviewed

    Taotao Meng, Zhengtong Li, Luzhen Wang, Kangjie Shi, Xiangting Bu, Saad M Alshehri, Yoshio Bando, Yusuke Yamauchi, Dagang Li, Xingtao Xu

    Bulletin of the Chemical Society of Japan   Vol. 96 ( 9 ) page: 907 - 912   2023.7

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    Language:English   Publishing type:Research paper (scientific journal)   Publisher:Oxford University Press (OUP)  

    Abstract

    Owing to their cost-effectiveness and renewability, wood-based solar steam generators (WSSG) have gained prominence in the field of desalination and water purification. However, conventional bi-layered WSSG is limited by the high energy consumption of fabrication and low strength of the bonding interface, which makes them unsuitable for long-term applications. Here, a unique bi-layered structural composite with polyaniline (PANI) nanorods uniformly incorporated into a 3D mesoporous matrix of natural wood was fabricated via a one-step in-situ polymerization strategy. The PANI decorated wood (PANI-wood) shows ultrahigh sunlight absorptance (∼98.9%) over a broad wavelength range (200–2500 nm) due to the conjugation of coralloid PANI nanorods and wood. Moreover, numerous aligned wood microchannels enable constant and rapid water transport at the air-water interface under the pressure of capillary forces. The highly stable PANI-wood composite shows high potential as an ideal solar steam generator with a high evaporation rate of 1.62 kg m2 h−1, which is significantly higher than those of other previously reported wood-based bi-layered composites. Moreover, PANI-wood exhibits long-term floating and is chemically stable, making it a potential candidate for low-energy photothermal interfacial sewage purification.

    DOI: 10.1246/bcsj.20230145

  54. Mesoporous multimetallic nanospheres with exposed highly entropic alloy sites Reviewed

    Yunqing Kang, Ovidiu Cretu, Jun Kikkawa, Koji Kimoto, Hiroki Nara, Asep Sugih Nugraha, Hiroki Kawamoto, Miharu Eguchi, Ting Liao, Ziqi Sun, Toru Asahi, Yusuke Yamauchi

    Nature Communications   Vol. 14 ( 1 )   2023.7

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    Abstract

    Multimetallic alloys (MMAs) with various compositions enrich the materials library with increasing diversity and have received much attention in catalysis applications. However, precisely shaping MMAs in mesoporous nanostructures and mapping the distributions of multiple elements remain big challenge due to the different reduction kinetics of various metal precursors and the complexity of crystal growth. Here we design a one-pot wet-chemical reduction approach to synthesize core–shell motif PtPdRhRuCu mesoporous nanospheres (PtPdRhRuCu MMNs) using a diblock copolymer as the soft template. The PtPdRhRuCu MMNs feature adjustable compositions and exposed porous structures rich in highly entropic alloy sites. The formation processes of the mesoporous structures and the reduction and growth kinetics of different metal precursors of PtPdRhRuCu MMNs are revealed. The PtPdRhRuCu MMNs exhibit robust electrocatalytic hydrogen evolution reaction (HER) activities and low overpotentials of 10, 13, and 28 mV at a current density of 10 mA cm<sup>−2</sup> in alkaline (1.0 M KOH), acidic (0.5 M H<sub>2</sub>SO<sub>4</sub>), and neutral (1.0 M phosphate buffer solution (PBS)) electrolytes, respectively. The accelerated kinetics of the HER in PtPdRhRuCu MMNs are derived from multiple compositions with synergistic interactions among various metal sites and mesoporous structures with excellent mass/electron transportation characteristics.

    DOI: 10.1038/s41467-023-39157-2

    Other Link: https://www.nature.com/articles/s41467-023-39157-2

  55. Modulating Electronic Metal‐Support Interactions to Boost Visible‐Light‐Driven Hydrolysis of Ammonia Borane: Nickel‐Platinum Nanoparticles Supported on Phosphorus‐Doped Titania Reviewed

    Chao Wan, Gui Li, Jiapei Wang, Lixin Xu, Dang‐guo Cheng, Fengqiu Chen, Yusuke Asakura, Yunqing Kang, Yusuke Yamauchi

    Angewandte Chemie International Edition   Vol. 62 ( 40 )   2023.7

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    Abstract

    Ammonia borane (AB) is a promising material for chemical H<sub>2</sub> storage owing to its high H<sub>2</sub> density (up to 19.6 wt %). However, the development of an efficient catalyst for driving H<sub>2</sub> evolution through AB hydrolysis remains challenging. Therefore, a visible‐light‐driven strategy for generating H<sub>2</sub> through AB hydrolysis was implemented in this study using Ni−Pt nanoparticles supported on phosphorus‐doped TiO<sub>2</sub> (Ni‐Pt/P‐TiO<sub>2</sub>) as photocatalysts. Through surface engineering, P‐TiO<sub>2</sub> was prepared by phytic‐acid‐assisted phosphorization and then employed as an ideal support for immobilizing Ni−Pt nanoparticles via a facile co‐reduction strategy. Under visible‐light irradiation at 283 K, Ni<sub>40</sub>Pt<sub>60</sub>/P‐TiO<sub>2</sub> exhibited improved recyclability and a high turnover frequency of 967.8 mol mol<sub>Pt</sub><sup>−1</sup> min<sup>−1</sup>. Characterization experiments and density functional theory calculations indicated that the enhanced performance of Ni<sub>40</sub>Pt<sub>60</sub>/P‐TiO<sub>2</sub> originated from a combination of the Ni−Pt alloying effect, the Mott–Schottky junction at the metal‐semiconductor interface, and strong metal‐support interactions. These findings not only underscore the benefits of utilizing multipronged effects to construct highly active AB‐hydrolyzing catalysts, but also pave a path toward designing high‐performance catalysts by surface engineering to modulate the electronic metal‐support interactions for other visible‐light‐induced reactions.

    DOI: 10.1002/anie.202305371

  56. Ni-single atom decorated mesoporous carbon electrocatalysts for hydrogen evolution reaction Reviewed

    Jin Woo Park, Godeung Park, Minjun Kim, Minsu Han, Jieun Jang, Yusuke Yamauchi, Brian Yuliarto, Peter Krüger, Jeonghun Kim, Nochang Park, Hyunsoo Lim

    Chemical Engineering Journal   Vol. 468   page: 143733 - 143733   2023.7

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    DOI: 10.1016/j.cej.2023.143733

  57. Nanoarchitectonics of Metallene Materials for Electrocatalysis Reviewed

    Bo Jiang, Yanna Guo, Fengyu Sun, Shengyao Wang, Yunqing Kang, Xingtao Xu, Jingjing Zhao, Jungmok You, Miharu Eguchi, Yusuke Yamauchi, Hexing Li

    ACS Nano   Vol. 17 ( 14 ) page: 13017 - 13043   2023.6

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    DOI: 10.1021/acsnano.3c01380

  58. Porous and Partially Dehydrogenated Fe<sup>2+</sup>‐Containing Iron Oxyhydroxide Nanosheets for Efficient Electrochemical Nitrogen Reduction Reaction (ENRR) Reviewed

    Lulu Jia, Hairong Xue, Fang Xian, Yoshiyuki Sugahara, Nobuyuki Sakai, Jingbo Nan, Yusuke Yamauchi, Takayoshi Sasaki, Renzhi Ma

    Small   Vol. 19 ( 42 )   2023.6

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    Abstract

    The design and development of efficient catalysts for electrochemical nitrogen reduction reaction (ENRR) under ambient conditions are critical for the alternative ammonia (NH<sub>3</sub>) synthesis from N<sub>2</sub> and H<sub>2</sub>O, wherein iron‐based electrocatalysts exhibit outstanding NH<sub>3</sub> formation rate and Faradaic efficiency (FE). Here, the synthesis of porous and positively charged iron oxyhydroxide nanosheets by using layered ferrous hydroxide as a starting precursor, which undergoes topochemical oxidation, partial dehydrogenated reaction, and final delamination, is reported. As the electrocatalyst of ENRR, the obtained nanosheets with a monolayer thickness and 10‐nm mesopores display exceptional NH<sub>3</sub> yield rate (28.5 µg h<sup>−1</sup> mg<sub>cat.</sub><sup>−1</sup>) and FE (13.2%) at a potential of −0.4 V versus RHE in a phosphate buffered saline (PBS) electrolyte. The values are much higher than those of the undelaminated bulk iron oxyhydroxide. The larger specific surface area and positive charge of the nanosheets are beneficial for providing more exposed reactive sites as well as retarding hydrogen evolution reaction. This study highlights the rational control on the electronic structure and morphology of porous iron oxyhydroxide nanosheets, expanding the scope of developing non‐precious iron‐based highly efficient ENRR electrocatalysts.

    DOI: 10.1002/smll.202303221

  59. Mesoporous Semiconductive Bi<sub>2</sub>Se<sub>3</sub> Films Reviewed

    Tomota Nagaura, Aditya Ashok, Azhar Alowasheeir, Arya Vasanth, Minsu Han, Yusuke Yamauchi

    Nano Letters   Vol. 23 ( 12 ) page: 5424 - 5429   2023.6

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    DOI: 10.1021/acs.nanolett.3c00183

  60. Cyano-functionalized ionic porous polymer: A novel adsorbent for effectively enriching trace estrogens in water and milk Reviewed

    Zixuan Cai, Xin Zhou, Yushi Yang, Jie Li, Weihua Liu, Qianqian Wang, Lin Hao, Zhi Wang, Yusuke Yamauchi, Jungmok You, Shuaihua Zhang, Qiuhua Wu, Chun Wang

    Chemical Engineering Journal   Vol. 466   page: 143315 - 143315   2023.6

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    DOI: 10.1016/j.cej.2023.143315

  61. Molecular insights into enhanced water evaporation from a hybrid nanostructured surface with hydrophilic and hydrophobic domains Reviewed

    Zequn Wang, Meng An, Dongsheng Chen, Yuejin Yuan, Xingtao Xu, Swellam W. Sharshir, Brian Yuliarto, Fengbo Zhu, Xuhui Sun, Shan Gao, Yusuke Yamauchi

    Chemical Engineering Journal   Vol. 465   page: 142838 - 142838   2023.6

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    Authorship:Last author   Language:English   Publishing type:Research paper (scientific journal)   Publisher:Elsevier BV  

    DOI: 10.1016/j.cej.2023.142838

  62. Hybrid of pyrazine based π-conjugated organic molecule and MXene for hybrid capacitive deionization Reviewed

    Zeqiu Chen, Xingtao Xu, Kai Wang, Dong Jiang, Fanyue Meng, Ting Lu, Yusuke Yamauchi, Likun Pan

    Separation and Purification Technology   Vol. 315   page: 123628 - 123628   2023.6

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    Language:English   Publishing type:Research paper (scientific journal)   Publisher:Elsevier BV  

    DOI: 10.1016/j.seppur.2023.123628

  63. Magnetic Covalent Organic Framework Composites for Wastewater Remediation Reviewed

    Juan Yang, Lijin Huang, Jungmok You, Yusuke Yamauchi

    Small   Vol. 19 ( 37 )   2023.5

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    Abstract

    Covalent organic frameworks (COFs) with high specific surface area, tailored structure, easy functionalization, and excellent chemical stability have been extensively exploited as fantastic materials in various fields. However, in most cases, COFs prepared in powder form suffer from the disadvantages of tedious operation, strong tendency to agglomerate, and poor recyclability, greatly limiting their practical application in environmental remediation. To tackle these issues, the fabrication of magnetic COFs (MCOFs) has attracted tremendous attention. In this review, several reliable strategies for the fabrication of MCOFs are summarized. In addition, the recent application of MCOFs as outstanding adsorbents for the removal of contaminants including toxic metal ions, dyes, pharmaceuticals and personal care products, and other organic pollutants is discussed. Moreover, in‐depth discussions regarding the structural parameters affecting the practical potential of MCOFs are highlighted in detail. Finally, the current challenges and future prospects of MCOFs in this field are provided with the expectation to boost their practical application.

    DOI: 10.1002/smll.202301044

  64. Engineering Route for Stretchable, 3D Microarchitectures of Wide Bandgap Semiconductors for Biomedical Applications Reviewed

    Thanh‐An Truong, Tuan Khoa Nguyen, Xinghao Huang, Aditya Ashok, Sharda Yadav, Yoonseok Park, Mai Thanh Thai, Nhat‐Khuong Nguyen, Hedieh Fallahi, Shuhua Peng, Sima Dimitrijev, Yi‐Chin Toh, Yusuke Yamauchi, Chun Hui Wang, Nigel Hamilton Lovell, John A. Rogers, Thanh Nho Do, Nam‐Trung Nguyen, Hangbo Zhao, Hoang‐Phuong Phan

    Advanced Functional Materials   Vol. 33 ( 34 )   2023.5

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    Abstract

    Wide bandgap (WBG) semiconductors have attracted significant research interest for the development of a broad range of flexible electronic applications, including wearable sensors, soft logical circuits, and long‐term implanted neuromodulators. Conventionally, these materials are grown on standard silicon substrates, and then transferred onto soft polymers using mechanical stamping processes. This technique can retain the excellent electrical properties of wide bandgap materials after transfer and enables flexibility; however, most devices are constrained by 2D configurations that exhibit limited mechanical stretchability and morphologies compared with 3D biological systems. Herein, a stamping‐free micromachining process is presented to realize, for the first time, 3D flexible and stretchable wide bandgap electronics. The approach applies photolithography on both sides of free‐standing nanomembranes, which enables the formation of flexible architectures directly on standard silicon wafers to tailor the optical transparency and mechanical properties of the material. Subsequent detachment of the flexible devices from the support substrate and controlled mechanical buckling transforms the 2D precursors of wide band gap semiconductors into complex 3D mesoscale structures. The ability to fabricate wide band gap materials with 3D architectures that offer device‐level stretchability combined with their multi‐modal sensing capability will greatly facilitate the establishment of advanced 3D bio‐electronics interfaces.

    DOI: 10.1002/adfm.202211781

  65. Nanoarchitectonics of Hollow Covalent Organic Frameworks: Synthesis and Applications Reviewed

    Lijin Huang, Juan Yang, Yusuke Asakura, Qin Shuai, Yusuke Yamauchi

    ACS Nano   Vol. 17 ( 10 ) page: 8918 - 8934   2023.5

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    DOI: 10.1021/acsnano.3c01758

  66. Synthesis of a Hybrid Composed of Anisotropic Niobate Layers Modified with MoC Nanoparticles Reviewed

    Meilin Du, Yusuke Asakura, Takuma Kamibe, Yusuke Yamauchi, Yoshiyuki Sugahara

    Chemistry – A European Journal   Vol. 29 ( 33 )   2023.5

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    Language:English   Publishing type:Research paper (scientific journal)   Publisher:Wiley  

    Abstract

    The hybrid composed of anisotropic niobate layers modified with MoC nanoparticles is synthesized by multistep reactions. The stepwise interlayer reactions for layered hexaniobate induce selective surface modification at the alternate interlayers, and the following ultrasonication leads to the formation of double‐layered nanosheets. The further liquid phase MoC deposition with the double‐layered nanosheets leads to the decoration of MoC nanoparticles on the surfaces of the double‐layered nanosheets. The new hybrid can be regarded as a stacking of the two layers with anisotropically modified nanoparticles. The relatively high temperature in the MoC synthesis causes partial leaching of the grafted phosphonate groups. The exposed surface of the niobate nanosheets due to the partial leaching may interact with MoC to succeed in the hybridization. The hybrid after heating exhibits photocatalytic activity, indicating that this hybridization method can be useful for hybrid synthesis of semiconductor nanosheets and co‐catalyst nanoparticles toward photocatalytic application.

    DOI: 10.1002/chem.202300218

  67. Carbon nanotube-decorated hierarchical porous nickel/carbon hybrid derived from nickel-based metal-organic framework for enhanced methyl blue adsorption Reviewed

    Ping Cheng, Xiaohan Wang, Josua Markus, Md Abdul Wahab, Silvia Chowdhury, Ruijing Xin, Saad M. Alshehri, Yoshio Bando, Yusuke Yamauchi, Yusuf Valentino Kaneti

    Journal of Colloid and Interface Science   Vol. 638   page: 220 - 230   2023.5

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    DOI: 10.1016/j.jcis.2023.01.075

  68. Intermetallic Compound TiM (M=Co, Fe) with a Layered Structure Prepared by Deoxidizing Ilmenite‐type Oxides in Molten LiCl‐CaH<sub>2</sub> Mixtures Reviewed

    Yasukazu Kobayashi, Tomota Nagaura, Azhar Alowasheeir, Shohei Tada, Yusuke Yamauchi

    Chemistry – A European Journal   Vol. 29 ( 32 )   2023.4

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    Abstract

    CsCl‐type intermetallic compounds TiM (M=Co, Fe) were obtained by deoxidizing trigonal ilmenite‐type MTiO<sub>3</sub> with a reducing agent CaH<sub>2</sub> in molten LiCl at 600 °C. X‐ray diffraction, nitrogen adsorption, scanning electron microscopy, and transmission electron microscopy with energy‐dispersive X‐ray, and X‐ray photoelectron spectroscopy analyses revealed the formation of nanoscale layered structures, which enhanced specific surface areas (approximately 20 m<sup>2</sup>/g) in the intermetallic compounds. In the initial deoxidation stage, Li<sub>2</sub>TiO<sub>3</sub>‐like compounds were observed as an intermediate, suggesting the substitution of M in MTiO<sub>3</sub> by Li from the molten LiCl. Compound MTiO<sub>3</sub> has a layered structure perpendicular to the c axis of the trigonal structure, suggesting that the layered structures may originate from the crystal structure of the precursors. Formation of the Li<sub>2</sub>TiO<sub>3</sub>‐like intermediate may help maintain the original layered structure during deoxidation and the subsequent alloying at temperatures as low as 600 °C.

    DOI: 10.1002/chem.202300194

  69. Mesostructured Silica Nanoparticles with Organic Corrosion Inhibitors to Enhance the Longevity of Anticorrosion Effect Reviewed

    Minjun Kim, Piyali Bhanja, Nasim Amiralian, Chihiro Urata, Atsushi Hozumi, Md Shahriar A Hossain, Saad M Alshehri, Yoshio Bando, Tansir Ahamad, Yusuke Yamauchi

    Bulletin of the Chemical Society of Japan   Vol. 96 ( 4 ) page: 394 - 397   2023.4

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    Abstract

    In this study, a specific organosilane molecule (octadecyldimethyl(3-trimethoxysilylpropyl)ammonium) is used to form soft-templates that store organic corrosion inhibitors (tolytriazole), and chemically anchor to silica surface during a sol-gel process. As the anchored soft-templates in the resulting mesostructured silica are not removed, it successfully achieves an environmental-friendly synthetic method and a prolonged storage of tolyriazole. Coating of a copper substrate with the mesostructured silica embedding tolytriazole, therefore, endows a prolonged anticorrosion effect.

    DOI: 10.1246/bcsj.20230004

  70. Unlocking Enhanced Capacitive Deionization of NaTi<sub>2</sub>(PO<sub>4</sub>)<sub>3</sub>/Carbon Materials by the Yolk–Shell Design Reviewed

    Xiaohong Liu, Xingtao Xu, Xiaoxu Xuan, Wei Xia, Guilin Feng, Shuaihua Zhang, Zhen-Guo Wu, Benhe Zhong, Xiaodong Guo, Keyu Xie, Yusuke Yamauchi

    Journal of the American Chemical Society   Vol. 145 ( 16 ) page: 9242 - 9253   2023.4

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    DOI: 10.1021/jacs.3c01755

  71. Principles of Design and Synthesis of Metal Derivatives from MOFs Reviewed

    Thibault De Villenoisy, Xiaoran Zheng, Vienna Wong, Sajjad S. Mofarah, Hamidreza Arandiyan, Yusuke Yamauchi, Pramod Koshy, Charles C. Sorrell

    Advanced Materials   Vol. 35 ( 24 )   2023.4

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    Abstract

    Materials derived from metal–organic frameworks (MOFs) have demonstrated exceptional structural variety and complexity and can be synthesized using low‐cost scalable methods. Although the inherent instability and low electrical conductivity of MOFs are largely responsible for their low uptake for catalysis and energy storage, a superior alternative is MOF‐derived metal‐based derivatives (MDs) as these can retain the complex nanostructures of MOFs while exhibiting stability and electrical conductivities of several orders of magnitude higher. The present work comprehensively reviews MDs in terms of synthesis and their nanostructural design, including oxides, sulfides, phosphides, nitrides, carbides, transition metals, and other minor species. The focal point of the approach is the identification and rationalization of the design parameters that lead to the generation of optimal compositions, structures, nanostructures, and resultant performance parameters. The aim of this approach is to provide an inclusive platform for the strategies to design and process these materials for specific applications. This work is complemented by detailed figures that both summarize the design and processing approaches that have been reported and indicate potential trajectories for development. The work is also supported by comprehensive and up‐to‐date tabular coverage of the reported studies.

    DOI: 10.1002/adma.202210166

  72. Plasmon-Triggered Ultrafast Operation of Color Centers in Hexagonal Boron Nitride Layers Reviewed

    Vasilios Karanikolas, Takuya Iwasaki, Joel Henzie, Naoki Ikeda, Yusuke Yamauchi, Yutaka Wakayama, Takashi Kuroda, Kenji Watanabe, Takashi Taniguchi

    ACS Omega   Vol. 8 ( 16 ) page: 14641 - 14647   2023.4

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    DOI: 10.1021/acsomega.3c00512

  73. Selective Detection of Toxic C1 Chemicals Using a Hydroxylamine-Based Chemiresistive Sensor Array Reviewed

    Mandeep K. Chahal, Masato Sumita, Jan Labuta, Daniel T. Payne, Jonathan P. Hill, Yusuke Yamauchi, Takashi Nakanishi, Takeshi Tanaka, Hiromichi Kataura, Kenji Koga, Hiroyuki Miyamura, Yoshihiro Kon, Dachao Hong, Shinsuke Ishihara

    ACS Sensors   Vol. 8 ( 4 ) page: 1585 - 1592   2023.4

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    DOI: 10.1021/acssensors.2c02720

  74. Weak Bonds, Strong Effects: Enhancing the Separation Performance of UiO-66 toward Chlorobenzenes via Halogen Bonding Reviewed

    Roman Gulyaev, Oleg Semyonov, Georgy V. Mamontov, Alexey A. Ivanov, Daniil M. Ivanov, Minjun Kim, Václav Švorčík, Giuseppe Resnati, Ting Liao, Ziqi Sun, Yusuke Yamauchi, Pavel S. Postnikov, Olga Guselnikova

    ACS Materials Letters   Vol. 5 ( 5 ) page: 1340 - 1349   2023.4

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    DOI: 10.1021/acsmaterialslett.2c01169

  75. Unveiling the effect of structural water on Zn-ion storage of polyoxovanadate for high-rate and long-life aqueous zinc ion battery Reviewed

    Huan He, Fu-Chun Pan, Xue-Wei Liang, Qiang Hu, Shude Liu, Jisong Hu, Seong Chan Jun, Dunmin Lin, Yusuke Yamauchi, Yu Huo

    Chemical Engineering Journal   Vol. 462   page: 142221 - 142221   2023.4

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    DOI: 10.1016/j.cej.2023.142221

  76. Monolithic Covalent Organic Frameworks with Hierarchical Architecture: Attractive Platform for Contaminant Remediation Reviewed

    Lijin Huang, Juan Yang, Yingji Zhao, Hirokatsu Miyata, Minsu Han, Qin Shuai, Yusuke Yamauchi

    Chemistry of Materials   Vol. 35 ( 7 ) page: 2661 - 2682   2023.3

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    DOI: 10.1021/acs.chemmater.2c03282

  77. Metal‐Organic Framework Materials in Perovskite Solar Cells: Recent Advancements and Perspectives Reviewed

    Yuxuan Ye, Yongqi Yin, Yan Chen, Shuang Li, Lin Li, Yusuke Yamauchi

    Small   Vol. 19 ( 25 )   2023.3

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    Abstract

    Organic–inorganic hybrid perovskite solar cells (PSCs) are among the most promising candidates for the next generation of photovoltaic devices because of the significant increase in their power conversion efficiency (PCE) from less than 10% to 25.7% in past decade. The metal‐organic framework (MOF) materials owing to their unique properties, such as large specific surface area, abundant binding sites, adjustable nanostructures, and synergistic effects, are used as additives or functional layers to enhance the device performance and long‐term stability of PSCs. This review focuses on the recent advancements in the applications of MOFs as/in different functional layers of PSCs. The photovoltaic performance, impact, and advantages of MOF materials integrated into the perovskite absorber, electron transport layer, hole transport layer, and interfacial layer are reviewed. In addition, the applicability of MOFs to mitigate leakage of Pb<sup>2+</sup> from halide perovskites and corresponding devices is discussed. This review concludes with the perspectives on further research directions for employing MOFs in PSCs.

    DOI: 10.1002/smll.202208119

    Other Link: https://onlinelibrary.wiley.com/doi/full-xml/10.1002/smll.202208119

  78. Noble-Metal–Metalloid Alloy Architectures: Mesoporous Amorphous Iridium–Tellurium Alloy for Electrochemical N<sub>2</sub> Reduction Reviewed

    Bo Jiang, Hairong Xue, Pei Wang, Haoran Du, Yunqing Kang, Jingjing Zhao, Shengyao Wang, Wei Zhou, Zhenfeng Bian, Hexing Li, Joel Henzie, Yusuke Yamauchi

    Journal of the American Chemical Society   Vol. 145 ( 11 ) page: 6079 - 6086   2023.3

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    DOI: 10.1021/jacs.2c10637

  79. A universal strategy for large-scale and controlled fabrication of conductive mesoporous polymer monolayers Reviewed

    Facai Wei, Bowen Chen, Jianwei Fu, Qingguo He, Chengbin Jing, Jiangong Cheng, Miharu Eguchi, Jongbeom Na, Yusuke Yamauchi, Shaohua Liu

    Chemical Engineering Journal   Vol. 460   page: 141504 - 141504   2023.3

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    DOI: 10.1016/j.cej.2023.141504

  80. Sodium preintercalation-induced oxygen-deficient hydrated potassium manganese oxide for high-energy flexible Mg-ion supercapacitors Reviewed

    Shude Liu, Ling Kang, Jian Zhang, Seong Chan Jun, Yusuke Yamauchi

    NPG Asia Materials   Vol. 15 ( 1 )   2023.2

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    Abstract

    Layered potassium manganese oxides are promising candidates for use in aqueous supercapacitors owing to their wide potential windows, layered feature, and Faradaic redox reactions that occur on surfaces and in bulk regions. However, the practical application is hindered by rapid performance degradation due to their inherently low electrical conductivities and inferior structural stabilities. Here, we develop ultralong nanobelts comprising hydrated Na-intercalated oxygen-deficient potassium manganese oxide (H-Na-D-KMO), in which the Na<sup>+</sup> ions are preintercalated and synchronously induce the generation of oxygen vacancies, as high-energy-density and durable electrodes for Mg-ion supercapacitors. The experimental results indicated that preintercalation of Na<sup>+</sup> ions and formation of oxygen vacancies improved the electrical properties and ion diffusion, which accounted for the fast reaction kinetics and good cycling performance of H-Na-D-KMO. The optimized H-Na-D-KMO delivered a significantly enhanced specific capacitance and cycling performance compared to those of pure H-KMO. Asymmetric supercapacitors with H-Na-D-KMO as the cathode and as-prepared MoO<sub>2</sub>@carbon as the anode exhibited an ultrahigh energy density of 108.4 Wh kg<sup>–1</sup> at 11,000 Wh kg<sup>−1</sup>, which is superior to most supercapacitors reported in the literature. Moreover, the assembled device exhibited good cycling stability for over 5000 cycles with a fading rate of 0.002% per cycle and good mechanical flexibility, which opens an avenue for further advancements in high-energy supercapacitors.

    DOI: 10.1038/s41427-022-00450-z

    Other Link: https://www.nature.com/articles/s41427-022-00450-z

  81. Monolayer Iron and Iron-Rich Hydroxide Nanosheets Exfoliated from High-Quality Green Rust for Enhanced Electrocatalytic Oxygen Evolution Reaction Reviewed

    Lulu Jia, Fang Xian, Yoshiyuki Sugahara, Nobuyuki Sakai, Emmanuel Picheau, Hairong Xue, Yusuke Yamauchi, Takayoshi Sasaki, Renzhi Ma

    Chemistry of Materials   Vol. 35 ( 4 ) page: 1769 - 1779   2023.2

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    DOI: 10.1021/acs.chemmater.2c03639

  82. Uncovering the Role of Chemical and Electronic Structures in Plasmonic Catalysis: The Case of Homolysis of Alkoxyamines Reviewed

    Darya Votkina, Pavel Petunin, Elena Miliutina, Andrii Trelin, Oleksiy Lyutakov, Vaclav Svorcik, Gérard Audran, Jeffrey Havot, Rashid Valiev, Lenara I. Valiulina, Jean-Patrick Joly, Yusuke Yamauchi, Junais Habeeb Mokkath, Joel Henzie, Olga Guselnikova, Sylvain R. A. Marque, Pavel Postnikov

    ACS Catalysis   Vol. 13 ( 5 ) page: 2822 - 2833   2023.2

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    DOI: 10.1021/acscatal.2c04685

  83. Au-Loaded Superparamagnetic Mesoporous Bimetallic CoFeB Nanovehicles for Sensitive Autoantibody Detection Reviewed

    Yunqing Kang, Mostafa Kamal Masud, Yanna Guo, Yingji Zhao, Zakia Sultana Nishat, Jingjing Zhao, Bo Jiang, Yoshiyuki Sugahara, Tanja Pejovic, Terry Morgan, Md Shahriar A. Hossain, Hexing Li, Carlos Salomon, Toru Asahi, Yusuke Yamauchi

    ACS Nano   Vol. 17 ( 4 ) page: 3346 - 3357   2023.2

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    DOI: 10.1021/acsnano.2c07694

  84. Auto-programmed construction of an iron-incorporated cobalt-molybdenum complex towards enhanced electrocatalytic water oxidation Reviewed

    Yanna Guo, Yunqing Kang, Takuma Kamibe, Bo Jiang, Yusuke Yamauchi, Yoshiyuki Sugahara

    Chemical Engineering Journal   Vol. 457   page: 140464 - 140464   2023.2

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    DOI: 10.1016/j.cej.2022.140464

  85. Interfacial coupled engineering of plasmonic amorphous MoO3-x nanodots/g-C3N4 nanosheets for photocatalytic water splitting and photothermal conversion Reviewed

    Yumei Ren, Desheng Feng, Zhiming Yan, Zixu Sun, Zixuan Zhang, Dongwei Xu, Chong Qiao, Zhonghui Chen, Yu Jia, Seong Chan Jun, Shude Liu, Yusuke Yamauchi

    Chemical Engineering Journal   Vol. 453   page: 139875 - 139875   2023.2

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    DOI: 10.1016/j.cej.2022.139875

  86. Design of hyper-cross-linked polymers with tunable polarity for effective preconcentration of aflatoxins in grain Reviewed

    Qianqian Wang, Shuaihua Zhang, Zhi Li, Zhi Wang, Chun Wang, Saad M. Alshehri, Yoshio Bando, Yusuke Yamauchi, Qiuhua Wu

    Chemical Engineering Journal   Vol. 453   page: 139544 - 139544   2023.2

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    DOI: 10.1016/j.cej.2022.139544

  87. Cobalt phthalocyanine-based conjugated polymer as efficient and exclusive electrocatalyst for CO2 reduction to ethanol Reviewed

    Dong Jiang, Ran Bu, Wei Xia, Yichen Hu, Mengchen Zhou, Enqing Gao, Toru Asahi, Yusuke Yamauchi, Jing Tang

    Materials Reports: Energy   Vol. 3 ( 1 ) page: 100176 - 100176   2023.2

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    DOI: 10.1016/j.matre.2023.100176

  88. β-FeOOH Nanospindles as Chloride-Capturing Electrodes for Electrochemical Faradic Deionization of Saline Water Reviewed

    Lu Zhang, Harry Lye Hin Chong, Pak Yan Moh, Munirah D Albaqami, Ammar Mohamed Tighezza, Chengjin Qin, Xinyi Ni, Jing Cao, Xingtao Xu, Yusuke Yamauchi

    Bulletin of the Chemical Society of Japan   Vol. 96 ( 3 ) page: 306 - 309   2023.1

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    Abstract

    Electrochemical faradic deionization (EDI), one of the most promising research branches of capacitive deionization (CDI), has demonstrated considerable potential for water desalination and ion removal (particularly at medium to low salinity). However, the associated relatively slow anion-capturing kinetics have limited the practical applications of EDI. Based on several studies, researchers have attributed this slow anion-capturing rate to the sluggish conversion-reaction-induced anion-capturing process (as most anion-capturing electrodes belong to the conversion type). Herein, we report a strategy for accelerating the anion-capturing process to enhance the desalination rate of EDI by utilizing an intercalation-type FeOOH electrode. The chloride-driven EDI system equipped with hollandite-type FeOOH nanospindles is found to present a high desalination rate (up to 4.44 mg g−1 min−1) and desalination capacity (51.77 mg g−1). The current study can inspire the future design of ultrafast EDI systems and bring the EDI technique closer to its practical application.

    DOI: 10.1246/bcsj.20220274

  89. Extraordinary Acceleration of an Electrophilic Reaction Driven by the Polar Surface of 2D Aluminosilicate Nanosheets Reviewed

    Nagy L. Torad, Yuta Tsuji, Azhar Alowasheeir, Masako Momotake, Kazuki Okazawa, Kazunari Yoshizawa, Michio Matsumoto, Masafumi Yamato, Yusuke Yamauchi, Miharu Eguchi

    Small   Vol. 19 ( 11 )   2023.1

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    Abstract

    To increase chemical reaction rates, general solutions include increasing the concentration/temperature and introducing catalysts. In this study, the rate constant of an electrophilic metal coordination reaction is accelerated 23‐fold on the surface of layered aluminosilicate (LAS), where the reaction substrate (ligand molecule) induces dielectric polarization owing to the polar and anionic surface. According to the Arrhenius plot, the frequency factor (A) is increased by almost three orders of magnitude on the surface. This leads to the conclusion that the collision efficiency between the ligands and metal ions is enhanced on the surface due to the dielectric polarization. This is surprising because one side of the ligand is obscured by the surface, so the collision efficiency is expected to be decreased. This unique method to accelerate the chemical reaction is expected to expand the range of utilization of LASs, which are chemically inert, abundant, and environmentally friendly. The concept is also applicable to other metal oxides which have polar surfaces, which will be useful for various chemical reactions in the future.

    DOI: 10.1002/smll.202205857

    Other Link: https://onlinelibrary.wiley.com/doi/full-xml/10.1002/smll.202205857

  90. Optimizing Heterointerface of Co<sub>2</sub>P–Co<sub><i>x</i></sub>O<sub><i>y</i></sub> Nanoparticles within a Porous Carbon Network for Deciphering Superior Water Splitting Reviewed

    Guo Huang, Miao Hu, Xingtao Xu, Asma A. Alothman, Mohammed Sheikh Saleh Mushab, Shaojian Ma, Pei Kang Shen, Jinliang Zhu, Yusuke Yamauchi

    Small Structures   Vol. 4 ( 6 )   2023.1

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    It is of great significance to design a bifunctional electrocatalyst for promoting hydrogen (HER) and oxygen (OER) evolution reactions simultaneously. Herein, inspired by the appropriate H atom binding energy on cobalt phosphides and excellent oxygen evolution kinetics on cobalt oxides, the regulative synthesis of a Co<sub>2</sub>P–Co<sub>x</sub>O<sub>y</sub> (Co<sub>x</sub>O<sub>y</sub> = CoO or Co<sub>3</sub>O<sub>4</sub>) heterogeneous nanoparticle‐anchored porous carbon network electrocatalyst via one‐pot heat treatment is reported. The as‐synthesized Co<sub>2</sub>P–Co<sub>3</sub>O<sub>4</sub>/C exhibits superior electrochemical activity with low overpotentials of 86 mV for HER and 246 mV for OER at 10 mA cm<sup>−2</sup> in an alkaline electrolyte. Moreover, compared to the commercial Pt/C || RuO<sub>2</sub>/C system, the Co<sub>2</sub>P–Co<sub>3</sub>O<sub>4</sub>/C || Co<sub>2</sub>P–Co<sub>3</sub>O<sub>4</sub>/C system presents outstanding activity toward overall water splitting (1.55 V@10 mA cm<sup>−2</sup>), which is well maintained over long‐term (120 h) electrocatalysis. Density functional theory calculations show that the rich interfaces between Co<sub>2</sub>P and Co<sub>3</sub>O<sub>4</sub> offer a synergistic effect, which enables Co<sub>2</sub>P–Co<sub>3</sub>O<sub>4</sub>/C as an excellent electrocatalyst toward both HER and OER.

    DOI: 10.1002/sstr.202200235

    Other Link: https://onlinelibrary.wiley.com/doi/full-xml/10.1002/sstr.202200235

  91. Efficient electrocatalysis for oxygen evolution: W-doped NiFe nanosheets with oxygen vacancies constructed by facile electrodeposition and corrosion Reviewed

    Huixi Li, Chenyang Zhang, Weijun Xiang, Mohammed A. Amin, Jongbeom Na, Shengping Wang, Jingxian Yu, Yusuke Yamauchi

    Chemical Engineering Journal   Vol. 452   page: 139104 - 139104   2023.1

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    DOI: 10.1016/j.cej.2022.139104

  92. MOF-Derived nanoarchitectured carbons in wood sponge enable solar-driven pumping for high-efficiency soil water extraction Reviewed

    Taotao Meng, Zhengtong Li, Zhangmin Wan, Jing Zhang, Luzhen Wang, Kangjie Shi, Xiangting Bu, Saad M. Alshehri, Yoshio Bando, Yusuke Yamauchi, Dagang Li, Xingtao Xu

    Chemical Engineering Journal   Vol. 452   page: 139193 - 139193   2023.1

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    DOI: 10.1016/j.cej.2022.139193

  93. Green synthesis of carbon quantum dots toward highly sensitive detection of formaldehyde vapors using QCM sensor Reviewed

    Mohamad M. Ayad, Mona E. Abdelghafar, Nagy L. Torad, Yusuke Yamauchi, Wael A. Amer

    Chemosphere   Vol. 312   page: 137031 - 137031   2023.1

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    DOI: 10.1016/j.chemosphere.2022.137031

  94. Significant enhancement in hydrogen evolution rate of 2D bismuth oxychloride lamellar membrane photocatalyst with cellulose nanofibers Reviewed

    Weiming Zhou, Zequn Wang, Hongqiang Huang, Yiting Wu, Asma A. Alothman, Mohamed Ouladsmane, Yusuke Yamauchi, Xingtao Xu, Meng An, Liwei Wang, Zhanhui Yuan

    Chemical Engineering Journal   Vol. 456   page: 140933 - 140933   2023.1

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    DOI: 10.1016/j.cej.2022.140933

  95. A 2D/2D heterojunction of ultrathin Pd nanosheet/MXene towards highly efficient methanol oxidation reaction: the significance of 2D material nanoarchitectonics Reviewed

    Huajie Huang, Di Xiao, Zihan Zhu, Chi Zhang, Lu Yang, Haiyan He, Jungmok You, Quanguo Jiang, Xingtao Xu, Yusuke Yamauchi

    Chemical Science   Vol. 14 ( 36 ) page: 9854 - 9862   2023

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    The stereo-assembly of ultrathin Pd nanosheets in situ grown on the MXene surface was achieved via a convenient wet-chemical approach, which possess superior electrocatalytic performance for the methanol oxidation reaction.

    DOI: 10.1039/d3sc03735e

  96. A phenazine-conjugated microporous polymer-based quartz crystal microbalance for sensitive detection of formaldehyde vapors at room temperature: an experiment and density functional theory study Reviewed

    Mohammed G. Kotp, Nagy L. Torad, Johann Lüder, Ahmed A. M. El-Amir, Watcharop Chaikittisilp, Yusuke Yamauchi, Ahmed F. M. EL-Mahdy

    Journal of Materials Chemistry A   Vol. 11 ( 2 ) page: 764 - 774   2023

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    Conjugated microporous polymers (CMPs) are a prospective class of porous materials that are promising in a wide variety of applications due to their outstanding physical and chemical properties.

    DOI: 10.1039/d2ta07966f

  97. Metal–organic framework derivatives for promoted capacitive deionization of oxygenated saline water Reviewed

    Xingtao Xu, Miharu Eguchi, Yusuke Asakura, Likun Pan, Yusuke Yamauchi

    Energy &amp; Environmental Science   Vol. 16 ( 5 ) page: 1815 - 1820   2023

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    Language:English   Publishing type:Research paper (scientific journal)   Publisher:Royal Society of Chemistry (RSC)  

    Metal–organic framework (MOF) derivatives, such as pyrolytic carbons, pyrolytic metal-containing carbons, and MOF-based hybrids, have been designed to replace conventionally used carbon materials for promoting capacitive deionization performance.

    DOI: 10.1039/d2ee03530h

  98. Insights into alloy/oxide or hydroxide interfaces in Ni–Mo-based electrocatalysts for hydrogen evolution under alkaline conditions Reviewed

    Min Luo, Jietian Yang, Xingang Li, Miharu Eguchi, Yusuke Yamauchi, Zhong-Li Wang

    Chemical Science   Vol. 14 ( 13 ) page: 3400 - 3414   2023

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    Language:English   Publishing type:Research paper (scientific journal)   Publisher:Royal Society of Chemistry (RSC)  

    The activity of Ni–Mo catalysts for the hydrogen evolution reaction originates from the interfaces of alloy–oxide or alloy–hydroxide, in which the oxide or hydroxide promotes water dissociation and the alloy accelerates hydrogen combination.

    DOI: 10.1039/d2sc06298d

  99. Enlarging the porosity of metal–organic framework-derived carbons for supercapacitor applications by a template-free ethylene glycol etching method Reviewed

    Ruijing Xin, Minjun Kim, Ping Cheng, Aditya Ashok, Silvia Chowdhury, Teahoon Park, Azhar Alowasheeir, Md. Shahriar Hossain, Jing Tang, Jin Woo Yi, Yusuke Yamauchi, Yusuf Valentino Kaneti, Jongbeom Na

    Journal of Materials Chemistry A   Vol. 11 ( 24 ) page: 12759 - 12769   2023

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    Language:English   Publishing type:Research paper (scientific journal)   Publisher:Royal Society of Chemistry (RSC)  

    Enlargement of micropores in zeolitic imidazolate framework particles into mesopores is achieved via an ethylene glycol-assisted aqueous etching method. The etched carbon shows a higher specific capacitance than unetched one at high scan rates.

    DOI: 10.1039/d2ta06307g

  100. Design of trifunctional catalysts for promoting sequential condensation, deoxygenation, and aromatization of pyrolyzed mixed waste Reviewed

    Mohamed H. M. Ahmed, Nuno Batalha, Mohammad Rezaul Karim, Ibrahim Abdullah Alnaser, Yusuke Yamauchi, Yusuf Valentino Kaneti, Muxina Konarova

    Journal of Materials Chemistry A   Vol. 11 ( 26 ) page: 14404 - 14415   2023

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    Language:English   Publishing type:Research paper (scientific journal)   Publisher:Royal Society of Chemistry (RSC)  

    The trifunctional catalysts, Mg–Pt/meso-ZSM and Mg–Ni/meso-ZSM exhibit a higher increase in oil yield and enhanced selectivity toward alkenes and alkanes in oil than commercial ZSM-5 catalyst.

    DOI: 10.1039/d3ta01368e

  101. Core–shell 2D nanoarchitectures: engineering N, P-doped graphitic carbon/MXene heterostructures for superior capacitive deionization Reviewed

    Ying Zhang, Haolin Li, Qian Yang, Shuaihua Zhang, Bin Zhao, Jingyu Wu, Ningzhao Shang, Xiaoxian Zhao, Zhichang Xiao, Xiaohuan Zang, Jeonghun Kim, Xingtao Xu, Yusuke Yamauchi

    Journal of Materials Chemistry A   Vol. 11 ( 26 ) page: 14356 - 14365   2023

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    Authorship:Last author, Corresponding author   Language:English   Publishing type:Research paper (scientific journal)   Publisher:Royal Society of Chemistry (RSC)  

    N, P-doped graphitic carbon/MXene heterostructures were constructed for advanced capacitive deionization electrodes, yielding superior salt adsorption capacity, rapid removal rate, and excellent cycling stability.

    DOI: 10.1039/d3ta00696d

  102. Composite polymer electrolytes with ionic liquid grafted-Laponite for dendrite-free all-solid-state lithium metal batteries Reviewed

    Biyu Jin, Dongyun Wang, Yuan He, Jianjiang Mao, Yunqing Kang, Chao Wan, Wei Xia, Jeonghun Kim, Miharu Eguchi, Yusuke Yamauchi

    Chemical Science   Vol. 14 ( 29 ) page: 7956 - 7965   2023

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    Authorship:Last author, Corresponding author   Language:English   Publishing type:Research paper (scientific journal)   Publisher:Royal Society of Chemistry (RSC)  

    A composite polymer electrolyte with ionic liquid grafted-LAP exhibits high conductivity and mechanical strength, contributing to dendrite-free all-solid-state lithium metal batteries.

    DOI: 10.1039/d3sc01647a

  103. N and S co-doped nanosheet-like porous carbon derived from sorghum biomass: mechanical nanoarchitecturing for upgraded potassium ion batteries Reviewed

    Minjun Kim, Liang Ma, Zhibin Li, Wenjie Mai, Nasim Amiralian, Alan E. Rowan, Yusuke Yamauchi, Aimiao Qin, Rana Arslan Afzal, Darren Martin, Ashok Kumar Nanjundan, Jinliang Li

    Journal of Materials Chemistry A   Vol. 11 ( 31 ) page: 16626 - 16635   2023

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    Language:English   Publishing type:Research paper (scientific journal)   Publisher:Royal Society of Chemistry (RSC)  

    Nanosheet-like sorghum biomass obtained by mild alkaline treatment and high-energy ball milling is heteroatom-doped with N and S during pyrolysis. The resulting N, S co-doped carbon shows a significantly improved K-ion storage as an anode material in potassium ion batteries.

    DOI: 10.1039/d3ta03215a

  104. “Functional upcycling” of polymer waste towards the design of new materials Reviewed

    Olga Guselnikova, Oleg Semyonov, Elizaveta Sviridova, Roman Gulyaev, Alina Gorbunova, Dmitry Kogolev, Andrii Trelin, Yusuke Yamauchi, Rabah Boukherroub, Pavel Postnikov

    Chemical Society Reviews   Vol. 52 ( 14 ) page: 4755 - 4832   2023

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    Language:English   Publishing type:Research paper (scientific journal)   Publisher:Royal Society of Chemistry (RSC)  

    Functional upcycling is post-polymerisation modification or surface functionalisation of plastic waste without considerable polymer chain destruction to produce a new upcycled material with added value.

    DOI: 10.1039/d2cs00689h

  105. Waste PET upcycling to conductive carbon-based composite through laser-assisted carbonization of UiO-66 Reviewed

    Dmitry Kogolev, Oleg Semyonov, Nadezhda Metalnikova, Maxim Fatkullin, Raul D. Rodriguez, Petr Slepicka, Yusuke Yamauchi, Olga Guselnikova, Rabah Boukherroub, Pavel S. Postnikov

    Journal of Materials Chemistry A   Vol. 11 ( 3 ) page: 1108 - 1115   2023

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    Language:English   Publishing type:Research paper (scientific journal)   Publisher:Royal Society of Chemistry (RSC)  

    The upcycling of waste polymers into novel materials with high added value is a vital task for modern chemical engineering.

    DOI: 10.1039/d2ta08127j

  106. Tunable thiophene-based conjugated microporous polymers for the disposal of toxic hexavalent chromium Reviewed

    Mohammed G. Kotp, Nagy L. Torad, Hiroki Nara, Watcharop Chaikittisilp, Jungmok You, Yusuke Yamauchi, Ahmed F. M. EL-Mahdy, Shiao-Wei Kuo

    Journal of Materials Chemistry A   Vol. 11 ( 27 ) page: 15022 - 15032   2023

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    Language:English   Publishing type:Research paper (scientific journal)   Publisher:Royal Society of Chemistry (RSC)  

    We present a rational design of thiophene-based conjugated microporous polymers (CMPs) demonstrating their tunable adsorption reduction of toxic Cr(vi) ions with comparable performances.

    DOI: 10.1039/d3ta00175j

  107. Spontaneous generation of singlet oxygen on microemulsion-derived manganese oxides with rich oxygen vacancies for efficient aerobic oxidation Reviewed

    Jun Tang, Junbao Chen, Zhanyu Zhang, Qincheng Ma, Xiaolong Hu, Peng Li, Zhiqiang Liu, Peixin Cui, Chao Wan, Qingping Ke, Lei Fu, Jeonghun Kim, Takashi Hamada, Yunqing Kang, Yusuke Yamauchi

    Chemical Science   Vol. 14 ( 46 ) page: 13402 - 13409   2023

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    We fabricated a range of N<sub>y</sub>-MnO<sub>x</sub> using compartmentalized microemulsion crystallization followed by post-calcination. These materials have the unique ability to generate sufficient <sup>1</sup>O<sub>2</sub> at room temperature without requiring an external field.

    DOI: 10.1039/d3sc04418a

  108. Soft–hard interface design in super-elastic conductive polymer hydrogel containing Prussian blue analogues to enable highly efficient electrochemical deionization Reviewed

    Yifan Ren, Fei Yu, Xin-Gui Li, Brian Yuliarto, Xingtao Xu, Yusuke Yamauchi, Jie Ma

    Materials Horizons   Vol. 10 ( 9 ) page: 3548 - 3558   2023

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    Authorship:Corresponding author   Language:English   Publishing type:Research paper (scientific journal)   Publisher:Royal Society of Chemistry (RSC)  

    Soft-hard interface has been developed by introducing conducting polymer hydrogels to improve the cycling electrochemical deionization performance of Prussian blue analogues.

    DOI: 10.1039/d2mh01149b

  109. Prussian blue and its analogues as functional template materials: control of derived structure compositions and morphologies Reviewed

    Behnoosh Bornamehr, Volker Presser, Aldo J. G. Zarbin, Yusuke Yamauchi, Samantha Husmann

    Journal of Materials Chemistry A   Vol. 11 ( 20 ) page: 10473 - 10492   2023

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    This review covers the use of Prussian blue and its analogues as sacrificial templates and the adopted strategies to produce new materials with diverse compositions, structures and morphologies.

    DOI: 10.1039/d2ta09501g

  110. Persistent microporosity of a non-planar porphyrinoid based on multiple supramolecular interactions for nanomechanical sensor applications Reviewed

    Mandeep K. Chahal, Subrata Maji, Anuradha Liyanage, Yoshitaka Matsushita, Pelin Tozman, Daniel T. Payne, Wipakorn Jevasuwan, Naoki Fukata, Paul A. Karr, Jan Labuta, Lok Kumar Shrestha, Shinsuke Ishihara, Katsuhiko Ariga, Francis D’Souza, Genki Yoshikawa, Yusuke Yamauchi, Jonathan P. Hill

    Materials Chemistry Frontiers   Vol. 7 ( 2 ) page: 325 - 332   2023

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    Language:English   Publishing type:Research paper (scientific journal)   Publisher:Royal Society of Chemistry (RSC)  

    A novel fused porphyrinoid undergoes supramolecular assembly to form a persistently porous solution processable material for sensing of acetone vapour under high humidity using a membrane-type surface stress sensor.

    DOI: 10.1039/d2qm01039a

  111. Particle size optimization of metal–organic frameworks for superior capacitive deionization in oxygenated saline water Reviewed

    Zhiyuan Xing, Xiaoxu Xuan, Haiyan Hu, Mohua Li, Huimin Gao, Azhar Alowasheeir, Dong Jiang, Liyang Zhu, Zhengtong Li, Yunqing Kang, Jing Zhang, Xibin Yi, Yusuke Yamauchi, Xingtao Xu

    Chemical Communications   Vol. 59 ( 30 ) page: 4515 - 4518   2023

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    Authorship:Corresponding author   Language:English   Publishing type:Research paper (scientific journal)   Publisher:Royal Society of Chemistry (RSC)  

    The effect of metal–organic framework particle size on capacitive performance in oxygenated saline water was studied, suggesting that as particle size increases, the performance decreases.

    DOI: 10.1039/d2cc06460j

  112. Opportunities and challenges of hydrotalcite-related electrocatalysts for seawater splitting: a systematic perspective from materials synthesis, characterization and application Reviewed

    Rongrong Dai, Chenyang Dai, Shujin Hou, Qijun He, Baogui Liu, Minghua Huang, Heqing Jiang, MoHua Li, Likun Pan, Zheng Guo, Jeonghun Kim, Minsu Han, Yusuke Yamauchi, Xingtao Xu

    Journal of Materials Chemistry A   Vol. 11 ( 38 ) page: 20383 - 20407   2023

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    Authorship:Last author, Corresponding author   Language:English   Publishing type:Research paper (scientific journal)   Publisher:Royal Society of Chemistry (RSC)  

    Hydrotalcites and their related materials hold great potential to unlock seawater splitting effectively.

    DOI: 10.1039/d3ta02524a

  113. Size control and electronic manipulation of Ru catalyst over B, N co-doped carbon network for high-performance hydrogen evolution reaction Reviewed

    Shuai Xu, Mang Niu, Guowei Zhao, Shujun Ming, Xingyun Li, Qilong Zhu, Liang-Xin Ding, Minjun Kim, Asma A. Alothman, Mohammed Sheikh Saleh Mushab, Yusuke Yamauchi

    Nano Research   Vol. 16 ( 5 ) page: 6212 - 6219   2022.12

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    Authorship:Last author, Corresponding author   Language:English   Publishing type:Research paper (scientific journal)   Publisher:Springer Science and Business Media LLC  

    DOI: 10.1007/s12274-022-5250-1

    Other Link: https://link.springer.com/article/10.1007/s12274-022-5250-1/fulltext.html

  114. Flexible Nanoarchitectonics for Biosensing and Physiological Monitoring Applications Reviewed

    Aditya Ashok, Tuan‐Khoa Nguyen, Matthew Barton, Michael Leitch, Mostafa Kamal Masud, Hyeongyu Park, Thanh‐An Truong, Yusuf Valentino Kaneti, Hang Thu Ta, Xiaopeng Li, Kang Liang, Thanh Nho Do, Chun‐Hui Wang, Nam‐Trung Nguyen, Yusuke Yamauchi, Hoang‐Phuong Phan

    Small   Vol. 19 ( 9 )   2022.12

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    Authorship:Corresponding author   Language:English   Publishing type:Research paper (scientific journal)   Publisher:Wiley  

    Abstract

    Flexible and implantable electronics hold tremendous promises for advanced healthcare applications, especially for physiological neural recording and modulations. Key requirements in neural interfaces include miniature dimensions for spatial physiological mapping and low impedance for recognizing small biopotential signals. Herein, a bottom‐up mesoporous formation technique and a top‐down microlithography process are integrated to create flexible and low‐impedance mesoporous gold (Au) electrodes for biosensing and bioimplant applications. The mesoporous architectures developed on a thin and soft polymeric substrate provide excellent mechanical flexibility and stable electrical characteristics capable of sustaining multiple bending cycles. The large surface areas formed within the mesoporous network allow for high current density transfer in standard electrolytes, highly suitable for biological sensing applications as demonstrated in glucose sensors with an excellent detection limit of 1.95 µm and high sensitivity of 6.1 mA cm<sup>−2</sup> µM<sup>−1</sup>, which is approximately six times higher than that of benchmarking flat/non‐porous films. The low impedance of less than 1 kΩ at 1 kHz in the as‐synthesized mesoporous electrodes, along with their mechanical flexibility and durability, offer peripheral nerve recording functionalities that are successfully demonstrated in vivo. These features highlight the new possibilities of our novel flexible nanoarchitectonics for neuronal recording and modulation applications.

    DOI: 10.1002/smll.202204946

    Other Link: https://onlinelibrary.wiley.com/doi/full-xml/10.1002/smll.202204946

  115. Selective Radical Oxidation of Cyclohexane to Adipic Acid at Electrochemical Interfaces Reviewed

    Hao Tian, Yujun Zhang, Ziyang Zhang, Tingting Lv, Lei Bian, Hong Wang, Jianxin Li, Yusuke Yamauchi, Zhong‐Li Wang

    ChemCatChem   Vol. 15 ( 2 )   2022.12

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    Language:English   Publishing type:Research paper (scientific journal)   Publisher:Wiley  

    Abstract

    Direct conversion of cyclohexane to adipic acid (AA) under mild conditions is an attractive technology in response to the increasing industrial demand of chemical intermediate AA. Exploring advanced free radical oxidation systems is the key to converting cyclohexane in a direct and mild manner. This study demonstrates that electrocatalytic water oxidation can quantitatively generate hydroxyl radicals (⋅OH) to selectively oxidize cyclohexane to AA by a vanadium oxide (VO<sub>x</sub>)‐platinum (Pt) composite catalyst coupled with persulfate (PS) redox mediator at the electrode/electrolyte interface under ambient temperature and pressure. The three active components of VO<sub>x</sub>, Pt, and PS can produce different concentrations of ⋅OH radicals alone or in combination, resulting in different AA selectivity and cyclohexane conversion, and the activity increased with the increase of free radical concentration before AA peroxidation. The optimized ternary oxidation system of VO<sub>x</sub>‐Pt‐PS achieved a cyclohexane conversion of 85 % with 95 % AA selectivity and the corresponding yield was 81 %, better than most traditional oxidation systems. Electrochemical interfaces‐driven radical oxidation provides opportunities to oxidatively convert many other inexpensive hydrocarbons to value‐added chemicals.

    DOI: 10.1002/cctc.202201220

    Other Link: https://onlinelibrary.wiley.com/doi/full-xml/10.1002/cctc.202201220

  116. Covalently Interlayer‐Confined Organic–Inorganic Heterostructures for Aqueous Potassium Ion Supercapacitors

    Jianping Chen, Bin Liu, Hang Cai, Shude Liu, Yusuke Yamauchi, Seong Chan Jun

    Small   Vol. 19 ( 4 )   2022.11

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    Abstract

    Artificial assembly of organic–inorganic heterostructures for electrochemical energy storage at the molecular level is promising, but remains a great challenge. Here, a covalently interlayer‐confined organic (polyaniline [PANI])–inorganic (MoS<sub>2</sub>) hybrid with a dual charge‐storage mechanism is developed for boosting the reaction kinetics of supercapacitors. Systematic characterizations reveal that PANI induces a partial phase transition from the 2H to 1T phases of MoS<sub>2</sub>, expands the interlayer spacing of MoS<sub>2</sub>, and increases the hydrophilicity. More in‐depth insights from the synchrotron radiation‐based X‐ray technique illustrate that the covalent grafting of PANI to MoS<sub>2</sub> induces the formation of MoN bonds and unsaturated Mo sites, leading to increased active sites. Theoretical analysis reveals that the covalent assembly facilitates cross‐layer electron transfer and decreases the diffusion barrier of K<sup>+</sup> ions, which favors reaction kinetics. The resultant hybrid material exhibits high specific capacitance and good rate capability. This design provides an effective strategy to develop organic–inorganic heterostructures for superior K‐ion storage. The K‐ion storage mechanism concerning the reversible insertion/extraction upon charge/discharge is revealed through ex situ X‐ray photoelectron spectroscopy.

    DOI: 10.1002/smll.202204275

    Other Link: https://onlinelibrary.wiley.com/doi/full-xml/10.1002/smll.202204275

  117. Embedding Metal–Organic Frameworks for the Design of Flexible Hybrid Supercapacitors by Electrospinning: Synthesis of Highly Graphitized Carbon Nanofibers Containing Metal Oxide Nanoparticles

    Yanjiang Li, Guang Zhu, Xingtao Xu, Lei Chen, Ting Lu, Jonathan P Hill, Likun Pan, Yusuke Yamauchi

    Small Structures     2022

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    Language:English  

    DOI: 10.1002/sstr.202200015

  118. Phase engineering of dual active 2D Bi2O3-based nanocatalysts for alkaline hydrogen evolution reaction electrocatalysis

    Wu Z., Mei J., Liu Q., Wang S., Li W., Xing S., Bai J., Yang J., Luo W., Guselnikova O., O'Mullane A.P., Gu Y., Yamauchi Y., Liao T., Sun Z.

    Journal of Materials Chemistry A   Vol. 10 ( 2 ) page: 808 - 817   2022

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    Language:English   Publisher:Royal Society of Chemistry  

    DOI: 10.1039/d1ta09019d

  119. 2D boron nanosheet architectonics: Opening new territories by smart functionalization

    Han C., Han R., Zhang X., Xu Z., Li W., Yamauchi Y., Huang Z.

    Journal of Materials Chemistry A   Vol. 10 ( 6 ) page: 2736 - 2750   2022

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    Language:English   Publisher:Royal Society of Chemistry  

    DOI: 10.1039/d1ta09562e

  120. Microwave one-pot synthesis of CNT-supported amorphous Ni-P alloy nanoparticles with enhanced hydrogenation performance

    Kang Y., Du H., Jiang B., Li H., Guo Y., Amin M.A., Sugahara Y., Asahi T., Li H., Yamauchi Y.

    Journal of Materials Chemistry A   Vol. 10 ( 12 ) page: 6560 - 6568   2022

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    Language:English   Publisher:Royal Society of Chemistry  

    DOI: 10.1039/d1ta10742a

  121. Ni-Fe nanoframes via a unique structural formation induced by sonochemical etching

    Alowasheeir A., Nara H., Eguchi M., Yamauchi Y.

    Chemical Communications   Vol. 92   2022

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    Language:English   Publisher:Royal Society of Chemistry  

    DOI: 10.1039/d2cc03253h

  122. Inorganic material-based Janus nanosheets: asymmetrically functionalized 2D-inorganic nanomaterials

    Suzuki R., Yamauchi Y., Sugahara Y.

    Dalton Transactions   Vol. 51 ( 35 ) page: 13145 - 13156   2022

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    Language:English   Publisher:Royal Society of Chemistry  

    DOI: 10.1039/d2dt01557a

  123. Electrochemical preparation of nano/micron structure transition metal-based catalysts for the oxygen evolution reaction

    Li H., Han X., Zhao W., Azhar A., Jeong S., Jeong D., Na J., Wang S., Yu J., Yamauchi Y.

    Materials Horizons   Vol. 9 ( 7 ) page: 1788 - 1824   2022

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    Language:English   Publisher:Royal Society of Chemistry  

    DOI: 10.1039/d2mh00075j

  124. Zwitterionic iodonium species afford halogen bond-based porous organic frameworks

    Soldatova N.S., Postnikov P.S., Ivanov D.M., Semyonov O.V., Kukurina O.S., Guselnikova O., Yamauchi Y., Wirth T., Zhdankin V.V., Yusubov M.S., Gomila R.M., Frontera A., Resnati G., Kukushkin V.Y.

    Chemical Science     2022

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    Language:English   Publisher:Royal Society of Chemistry  

    DOI: 10.1039/d2sc00892k

  125. Modular assembly of MOF-derived carbon nanofibers into macroarchitectures for water treatment

    Zhang Z., Wang C., Yao Y., Zhang H., Na J., Zhou Y., Zhu Z., Qi J., Eguchi M., Yamauchi Y., Li J.

    Chemical Science   Vol. 13 ( 32 ) page: 9159 - 9164   2022

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    Language:English   Publisher:Royal Society of Chemistry  

    DOI: 10.1039/d2sc02619h

  126. Strategic design of Fe and N co-doped hierarchically porous carbon as superior ORR catalyst: from the perspective of nanoarchitectonics

    Kim M., Firestein K.L., Fernando J.F.S., Xu X., Lim H., Golberg D.V., Na J., Kim J., Nara H., Tang J., Yamauchi Y.

    Chemical Science   Vol. 13 ( 36 ) page: 10836 - 10845   2022

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    Language:English   Publisher:Royal Society of Chemistry  

    DOI: 10.1039/d2sc02726g

  127. Metal-organic frameworks and their derivatives for metal-ion (Li, Na, K and Zn) hybrid capacitors

    Zhan F., Wang H., He Q., Xu W., Chen J., Ren X., Wang H., Liu S., Han M., Yamauchi Y., Chen L.

    Chemical Science   Vol. 13 ( 41 ) page: 11981 - 12015   2022

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    Language:English   Publisher:Royal Society of Chemistry  

    DOI: 10.1039/d2sc04012c

  128. Tuning iron spin states in single-atom nanozymes enables efficient peroxidase mimicking

    Wei X., Song S., Song W., Wen Y., Xu W., Chen Y., Wu Z., Qin Y., Jiao L., Wu Y., Sha M., Huang J., Cai X., Zheng L., Hu L., Gu W., Eguchi M., Asahi T., Yamauchi Y., Zhu C.

    Chemical Science   Vol. 13 ( 45 ) page: 13574 - 13581   2022

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    Language:English   Publisher:Royal Society of Chemistry  

    DOI: 10.1039/d2sc05679h

  129. Ru ions enhancing the interface bonding between the Pt nanoparticle catalyst and perovskite support for super anti-sintering performance

    Zhang S., Zhou W., Mao J., An K., Li N., Qin T., Chen L., Liu X., Mei B., Jiang Z., Wang Z.-L., Yamauchi Y., Liu Y.

    Journal of Materials Chemistry A   Vol. 10 ( 15 ) page: 8227 - 8237   2022

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    Language:English   Publisher:Royal Society of Chemistry  

    DOI: 10.1039/d2ta00392a

  130. Multifunctional materials for photo-electrochemical water splitting

    Rajaitha P.M., Hajra S., Mistewicz K., Panda S., Sahu M., Dubal D., Yamauchi Y., Kim H.J.

    Journal of Materials Chemistry A   Vol. 10 ( 30 ) page: 15906 - 15931   2022

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    Language:English   Publisher:Royal Society of Chemistry  

    DOI: 10.1039/d2ta01869a

  131. Co, Fe and N co-doped 1D assembly of hollow carbon nanoboxes for high-performance supercapacitors

    Kim M., Wang C., Earnshaw J., Park T., Amirilian N., Ashok A., Na J., Han M., Rowan A.E., Li J., Yi J.W., Yamauchi Y.

    Journal of Materials Chemistry A   Vol. 10 ( 45 ) page: 24056 - 24063   2022

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    Language:English   Publisher:Royal Society of Chemistry  

    DOI: 10.1039/d2ta06950d

  132. Nanomaterials for sustainable remediation of chemical contaminants in water and soil

    Mukhopadhyay R., Sarkar B., Khan E., Alessi D.S., Biswas J.K., Manjaiah K.M., Eguchi M., Wu K.C.W., Yamauchi Y., Ok Y.S.

    Critical Reviews in Environmental Science and Technology   Vol. 52 ( 15 ) page: 2611 - 2660   2022

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    Language:English   Publisher:Taylor and Francis Ltd.  

    DOI: 10.1080/10643389.2021.1886891

  133. Boosting capacitive performance of manganese oxide nanorods by decorating with three-dimensional crushed graphene

    Reaz A.H., Saha S., Roy C.K., Wahab M.A., Will G., Amin M.A., Yamauchi Y., Liu S., Kaneti Y.V., Hossain M.S., Firoz S.H.

    Nano Convergence   Vol. 9 ( 1 )   2022

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    Language:English   Publisher:Korea Nano Technology Research Society  

    DOI: 10.1186/s40580-022-00300-2

  134. Mechanisms Responsible for Adsorption of Molybdate ions on Alumina for the Production of Medical Radioisotopes

    Fujita Y., Niizeki T., Fukumitsu N., Ariga K., Yamauchi Y., Malgras V., Kaneti Y.V., Liu C.-H., Hatano K., Suematsu H., Suzuki T., Tsuchiya K.

    Bulletin of the Chemical Society of Japan   Vol. 95 ( 1 ) page: 129 - 137   2022

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    Language:English   Publisher:Chemical Society of Japan  

    DOI: 10.1246/bcsj.20210249

  135. κ-Carrageenan Gel Modified Mesoporous Gold Chronocoulometric Sensor for Ultrasensitive Detection of MicroRNA

    Salahuddin B., Masud M.K., Aziz S., Liu C.-H., Amiralian N., Ashok A., Hossain S.M.A., Park H., Wahab M.A., Amin M.A., Chari M.A., Rowan A.E., Yamauchi Y., Hossain M.S.A., Kaneti Y.V.

    Bulletin of the Chemical Society of Japan   Vol. 95 ( 1 ) page: 198 - 207   2022

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    Language:English   Publisher:Chemical Society of Japan  

    DOI: 10.1246/bcsj.20210286

  136. Daylight-Driven Rechargeable TiO2 Nanocatalysts Suppress Wheat Blast Caused by Magnaporthe oryzae Triticum

    Mahmud N.U., Gupta D.R., Paul S.K., Chakraborty M., Shabab Mehebub Md., Surovy M.Z., Fajle Rabby S.M., Al Mahbub Rahat A., Roy P.C., Sohrawardy H., Amin M.A., Masud M.K., Ide Y., Yamauchi Y., Shahriar Hossain Md., Islam T.

    Bulletin of the Chemical Society of Japan   Vol. 95 ( 8 ) page: 1263 - 1271   2022

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    Language:English   Publisher:Chemical Society of Japan  

    DOI: 10.1246/bcsj.20220010

  137. Photo-enhanced rechargeable high-energy-density metal batteries for solar energy conversion and storage

    Xue H., Gong H., Yamauchi Y., Sasaki T., Ma R.

    Nano Research Energy   Vol. 1 ( 1 )   2022

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    Language:English   Publisher:Tsinghua University Press  

    DOI: 10.26599/NRE.2022.9120007

  138. Porphyrin-based framework materials for energy conversion

    Gu J., Peng Y., Zhou T., Ma J., Pang H., Yamauchi Y.

    Nano Research Energy   Vol. 1 ( 1 )   2022

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    Language:English   Publisher:Tsinghua University Press  

    DOI: 10.26599/NRE.2022.9120009

  139. Porous Metal Nanocrystal Catalysts: Can Crystalline Porosity Enable Catalytic Selectivity?

    Min X., Lv H., Yamauchi Y., Liu B.

    CCS Chemistry   Vol. 4 ( 6 ) page: 1829 - 1842   2022

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    Language:English   Publisher:Chinese Chemical Society  

    DOI: 10.31635/ccschem.022.202201892

  140. Theory of Chiral Electrodeposition by Chiral Micro- and Nano-Vortices under a Vertical Magnetic Field -1: 2D Nucleation by Micro-Vortices

    Morimoto R., Miura M., Sugiyama A., Yamauchi Y., Miura M., Oshikiri Y., Mogi I., Takagi S., Aogaki R.

    Magnetochemistry   Vol. 8 ( 7 )   2022

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    DOI: 10.3390/magnetochemistry8070071

  141. Two-Dimensional Layered Heterostructures of Nanoporous Carbons Using Reduced Graphene Oxide and Metal–Organic Frameworks

    Nitish Kumar, Neetu Bansal, Yusuke Yamauchi, and Rahul R. Salunkhe

    Chemistry of Materials   Vol. 34 ( 11 ) page: 4946 - 4954   2022

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    DOI: 10.1021/acs.chemmater.2c00160

  142. Super anti-sintering Pt nanoparticle catalysts on perovskite support by Ru ions enhancing the interface bonding

    Tian Qin, Siran Zhang, Wei Zhou, Jianing Mao, Kang An, Ningyan Li, Liwei Chen, Xi Liu, Bingbao Mei, Zheng Jiang, Zhong-Li Wang, Yusuke Yamauchi, Yuan Liu

    Journal of Materials Chemistry A     2022

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    DOI: 10.1039/D2TA00392A

  143. Highly adhesive and disposable inorganic barrier films: Made from 2D silicate nanosheets and water

    Eguchi M., Konarova M., L. Torad N., Chang T.-A., Kang D.-Y., Shapter J., Yamauchi Y.

    Journal of Materials Chemistry A   Vol. 10 ( 4 ) page: 1956 - 1964   2022

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    DOI: 10.1039/d1ta08837h

  144. Nanoarchitectonics of low-dimensional metal-organic frameworks toward photo/electrochemical CO2 reduction reactions

    Xuan X., Wang M., Zhang M., Kaneti Y.V., Xu X., Sun X., Yamauchi Y.

    Journal of CO2 Utilization   Vol. 57   2022

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    DOI: 10.1016/j.jcou.2022.101883

  145. CeO2−x quantum dots decorated nitrogen-doped hollow porous carbon for supercapacitors

    Kar T., Casales-Díaz M., Ramos-Hernández J.J., Sotelo-Mazón O., Henao J., Valdez Rodríguez S., Godavarthi S., Liu S., Yamauchi Y., Kesarla M.K.

    Journal of Colloid and Interface Science   Vol. 622   page: 147 - 155   2022

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    DOI: 10.1016/j.jcis.2022.04.114

  146. Prussian blue analogue derived cobalt–nickel phosphide/carbon nanotube composite as electrocatalyst for efficient and stable hydrogen evolution reaction in wide-pH environment

    Ding Z., Yu H., Liu X., He N., Chen X., Li H., Wang M., Yamauchi Y., Xu X., Amin M.A., Lu T., Pan L.

    Journal of Colloid and Interface Science   Vol. 616   page: 210 - 220   2022

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    DOI: 10.1016/j.jcis.2022.02.039

  147. Flexible organohydrogel ionic skin with Ultra-Low temperature freezing resistance and Ultra-Durable moisture retention

    Peng W., Han L., Gao Y., Gong Z., Lu T., Xu X., Xu M., Yamauchi Y., Pan L.

    Journal of Colloid and Interface Science   Vol. 608   page: 396 - 404   2022

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    DOI: 10.1016/j.jcis.2021.09.125

  148. Polyaniline coated MOF-derived Mn2O3 nanorods for efficient hybrid capacitive deionization

    Li Y., Yin Y., Xie F., Zhao G., Han L., Zhang L., Lu T., Amin M.A., Yamauchi Y., Xu X., Zhu G., Pan L.

    Environmental Research   Vol. 212   2022

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    DOI: 10.1016/j.envres.2022.113331

  149. Cu-based MOF-derived architecture with Cu/Cu2O nanospheres anchored on porous carbon nanosheets for efficient capacitive deionization

    Zhu G., Chen L., Lu T., Zhang L., Hossain M.S.A., Amin M.A., Yamauchi Y., Li Y., Xu X., Pan L.

    Environmental Research   Vol. 210   2022

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    DOI: 10.1016/j.envres.2022.112909

  150. Metal–organic framework-derived heteroatom-doped nanoarchitectures for electrochemical energy storage: Recent advances and future perspectives

    Zhan F., Liu S., He Q., Zhao X., Wang H., Han M., Yamauchi Y., Chen L.

    Energy Storage Materials   Vol. 52   page: 685 - 735   2022

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    DOI: 10.1016/j.ensm.2022.08.035

  151. Template- and etching-free fabrication of two-dimensional hollow bimetallic metal-organic framework hexagonal nanoplates for ammonia sensing

    Chowdhury S., Torad N.L., Ashok A., Gumilar G., Chaikittisilp W., Xin R., Cheng P., Ul Hoque M.I., Wahab M.A., Karim M.R., Yuliarto B., Hossain M.S., Yamauchi Y., Kaneti Y.V.

    Chemical Engineering Journal   Vol. 450   2022

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    DOI: 10.1016/j.cej.2022.138065

  152. 1D-2D hybridization: Nanoarchitectonics for grain boundary-rich platinum nanowires coupled with MXene nanosheets as efficient methanol oxidation electrocatalysts

    Meng W., He H., Yang L., Jiang Q., Yuliarto B., Yamauchi Y., Xu X., Huang H.

    Chemical Engineering Journal   Vol. 450   2022

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    DOI: 10.1016/j.cej.2022.137932

  153. Covalent functionalization of Ti3C2T MXene flakes with Gd-DTPA complex for stable and biocompatible MRI contrast agent

    Neubertova V., Guselnikova O., Yamauchi Y., Olshtrem A., Rimpelova S., Čižmár E., Orendáč M., Duchon J., Volfova L., Lancok J., Herynek V., Fitl P., Ulbrich P., Jelinek L., Schneider P., Kosek J., Postnikov P., Kolska Z., Svorcik V., Chertopalov S., Lyutakov O.

    Chemical Engineering Journal   Vol. 446   2022

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    DOI: 10.1016/j.cej.2022.136939

  154. Metal-ion inserted vanadium oxide nanoribbons as high-performance cathodes for aqueous zinc-ion batteries

    Pang Z., Ding B., Wang J., Wang Y., Xu L., Zhou L., Jiang X., Yan X., Hill J.P., Yu L., Yamauchi Y.

    Chemical Engineering Journal   Vol. 446   2022

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    DOI: 10.1016/j.cej.2022.136861

  155. Ultra-stable sodium ion storage of biomass porous carbon derived from sugarcane

    Kim M., Fernando J.F.S., Li Z., Alowasheeir A., Ashok A., Xin R., Martin D., Kumar Nanjundan A., Golberg D.V., Yamauchi Y., Amiralian N., Li J.

    Chemical Engineering Journal   Vol. 445   2022

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    DOI: 10.1016/j.cej.2022.136344

  156. Nanoarchitecturing bimetallic manganese cobaltite spinels for sonocatalytic degradation of oxytetracycline

    Hassandoost R., Kotb A., Movafagh Z., Esmat M., Guegan R., Endo S., Jevasuwan W., Fukata N., Sugahara Y., Khataee A., Yamauchi Y., Ide Y., Doustkhah E.

    Chemical Engineering Journal   Vol. 431   2022

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    DOI: 10.1016/j.cej.2021.133851

  157. Eliminating tetracycline antibiotics matrix via photoactivated sulfate radical-based advanced oxidation process over the immobilized MIL-88A: Batch and continuous experiments

    Wang J.-S., Yi X.-H., Xu X., Ji H., Alanazi A.M., Wang C.-C., Zhao C., Kaneti Y.V., Wang P., Liu W., Yamauchi Y.

    Chemical Engineering Journal   Vol. 431   2022

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    DOI: 10.1016/j.cej.2021.133213

  158. Nanoarchitectonics from 2D to 3D: MXenes-derived nitrogen-doped 3D nanofibrous architecture for extraordinarily-fast capacitive deionization

    Ding Z., Xu X., Li J., Li Y., Wang K., Lu T., Hossain M.S.A., Amin M.A., Zhang S., Pan L., Yamauchi Y.

    Chemical Engineering Journal   Vol. 430   2022

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    DOI: 10.1016/j.cej.2021.133161

  159. Defect engineering induced heterostructure of Zn-birnessite@spinel ZnMn2O4 nanocrystal for flexible asymmetric supercapacitor

    Lyu L., Kim C.W., Seong K.-D., Kang J., Liu S., Yamauchi Y., Piao Y.

    Chemical Engineering Journal   Vol. 430   2022

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    DOI: 10.1016/j.cej.2021.133115

  160. Transforming red mud into an efficient Acid-Base catalyst by hybridization with mesoporous ZSM-5 for Co-pyrolysis of biomass and plastics

    HM Ahmed M., Batalha N., ALOthman Z.A., Yamauchi Y., Valentino Kaneti Y., Konarova M.

    Chemical Engineering Journal   Vol. 430   2022

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    DOI: 10.1016/j.cej.2021.132965

  161. Super-theoretical capacity mechanism of hollow nano-corn cob-like cobalt oxide

    Xiang Y., Xu Y., Yang Z., Na J., Alowasheeir A., Albaqami M.D., Ahmed Awadh Bahajjaj A., Wang S., Yu J., Yamauchi Y.

    Chemical Engineering Journal   Vol. 430   2022

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    DOI: 10.1016/j.cej.2021.132700

  162. Gram-Scale production of Cu3P-Cu2O Janus nanoparticles into nitrogen and phosphorous doped porous carbon framework as bifunctional electrocatalysts for overall water splitting

    Zhu J., Jiang E., Wang X., Pan Z., Xu X., Ma S., Kang Shen P., Pan L., Eguchi M., Nanjundan A.K., Shapter J., Yamauchi Y.

    Chemical Engineering Journal   Vol. 427   2022

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    DOI: 10.1016/j.cej.2021.130946

  163. Nanoarchitectonics of MXene/semiconductor heterojunctions toward artificial photosynthesis via photocatalytic CO2 reduction

    Liu X., Chen T., Xue Y., Fan J., Shen S., Hossain M.S.A., Amin M.A., Pan L., Xu X., Yamauchi Y.

    Coordination Chemistry Reviews   Vol. 459   2022

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    DOI: 10.1016/j.ccr.2022.214440

  164. Lignocellulosic plant cell wall variation influences the structure and properties of hard carbon derived from sorghum biomass

    Afzal R.A., Pennells J., Yamauchi Y., Annamalai P.K., Nanjundan A.K., Martin D.J.

    Carbon Trends   Vol. 7   2022

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    DOI: 10.1016/j.cartre.2022.100168

  165. Nitrogen and Sulfur Co-Doped Hierarchically Porous Carbon Nanotubes for Fast Potassium Ion Storage

    Jin X., Wang X., Liu Y., Kim M., Cao M., Xie H., Liu S., Wang X., Huang W., Nanjundan A.K., Yuliarto B., Li X., Yamauchi Y.

    Small   Vol. 18 ( 42 )   2022

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    DOI: 10.1002/smll.202203545

  166. Soft Template-Based Synthesis of Mesoporous Phosphorus- and Boron-Codoped NiFe-Based Alloys for Efficient Oxygen Evolution Reaction

    Kang Y., Guo Y., Zhao J., Jiang B., Guo J., Tang Y., Li H., Malgras V., Amin M.A., Nara H., Sugahara Y., Yamauchi Y., Asahi T.

    Small   Vol. 18 ( 33 )   2022

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    DOI: 10.1002/smll.202203411

  167. Superstructures of Zeolitic Imidazolate Frameworks to Single- and Multiatom Sites for Electrochemical Energy Conversion

    Patil R., Liu S., Yadav A., Khaorapapong N., Yamauchi Y., Dutta S.

    Small   Vol. 18 ( 52 )   2022

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    DOI: 10.1002/smll.202203147

  168. Hydrogel Nanoarchitectonics: An Evolving Paradigm for Ultrasensitive Biosensing

    Nishat Z.S., Hossain T., Islam M.N., Phan H.-P., Wahab M.A., Moni M.A., Salomon C., Amin M.A., Sina A.A.I., Hossain M.S.A., Kaneti Y.V., Yamauchi Y., Masud M.K.

    Small   Vol. 18 ( 26 )   2022

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    DOI: 10.1002/smll.202107571

  169. Tailoring the Surface and Interface Structures of Copper-Based Catalysts for Electrochemical Reduction of CO2 to Ethylene and Ethanol

    Zhang Z., Bian L., Tian H., Liu Y., Bando Y., Yamauchi Y., Wang Z.-L.

    Small   Vol. 18 ( 18 )   2022

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    DOI: 10.1002/smll.202107450

  170. New Trends in Nanoarchitectured SERS Substrates: Nanospaces, 2D Materials, and Organic Heterostructures

    Guselnikova O., Lim H., Kim H.-J., Kim S.H., Gorbunova A., Eguchi M., Postnikov P., Nakanishi T., Asahi T., Na J., Yamauchi Y.

    Small   Vol. 18 ( 25 )   2022

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    DOI: 10.1002/smll.202107182

  171. Expeditious Electrochemical Synthesis of Mesoporous Chalcogenide Flakes: Mesoporous Cu2Se as a Potential High-Rate Anode for Sodium-Ion Battery

    Nagaura T., Li J., Fernando J.F.S., Ashok A., Alowasheeir A., Nanjundan A.K., Lee S., Golberg D.V., Na J., Yamauchi Y.

    Small   Vol. 18 ( 34 )   2022

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    DOI: 10.1002/smll.202106629

  172. Engineering Stress in Thin Films: An Innovative Pathway Toward 3D Micro and Nanosystems

    Truong T.-A., Nguyen T.-K., Zhao H., Nguyen N.-K., Dinh T., Park Y., Nguyen T., Yamauchi Y., Nguyen N.-T., Phan H.-P.

    Small   Vol. 18 ( 4 )   2022

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    DOI: 10.1002/smll.202105748

  173. Nanoarchitectonics for Abused-Drug Biosensors

    Moradi R., Khalili N.P., Septiani N.L.W., Liu C.-H., Doustkhah E., Yamauchi Y., Rotkin S.V.

    Small   Vol. 18 ( 10 )   2022

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    DOI: 10.1002/smll.202104847

  174. Realizing Superior Redox Kinetics of Hollow Bimetallic Sulfide Nanoarchitectures by Defect-Induced Manipulation toward Flexible Solid-State Supercapacitors

    Liu S., Kang L., Hu J., Jung E., Henzie J., Alowasheeir A., Zhang J., Miao L., Yamauchi Y., Jun S.C.

    Small   Vol. 18 ( 5 )   2022

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    DOI: 10.1002/smll.202104507

  175. Macroscopic MOF Architectures: Effective Strategies for Practical Application in Water Treatment

    Yao Y., Wang C., Na J., Hossain M.S.A., Yan X., Zhang H., Amin M.A., Qi J., Yamauchi Y., Li J.

    Small   Vol. 18 ( 8 )   2022

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    DOI: 10.1002/smll.202104387

  176. Progress in Solid Polymer Electrolytes for Lithium-Ion Batteries and Beyond

    An Y., Han X., Liu Y., Azhar A., Na J., Nanjundan A.K., Wang S., Yu J., Yamauchi Y.

    Small   Vol. 18 ( 3 )   2022

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    DOI: 10.1002/smll.202103617

  177. Nanoarchitectonics of Metal–Organic Frameworks for Capacitive Deionization via Controlled Pyrolyzed Approaches

    Wang H., Chen B., Liu D.-J., Xu X., Osmieri L., Yamauchi Y.

    Small   Vol. 18 ( 2 )   2022

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    DOI: 10.1002/smll.202102477

  178. Material Nanoarchitectonics of Functional Polymers and Inorganic Nanomaterials for Smart Supercapacitors

    Na J., Zheng D., Kim J., Gao M., Azhar A., Lin J., Yamauchi Y.

    Small   Vol. 18 ( 7 )   2022

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    DOI: 10.1002/smll.202102397

  179. Photovoltaic-powered supercapacitors for driving overall water splitting: A dual-modulated 3D architecture

    Sun Z., Sun L., Koh S.W., Ge J., Fei J., Yao M., Hong W., Liu S., Yamauchi Y., Li H.

    Carbon Energy   Vol. 4 ( 6 ) page: 1262 - 1273   2022

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    DOI: 10.1002/cey2.213

  180. Heterocyclic Conjugated Polymer Nanoarchitectonics with Synergistic Redox-Active Sites for High-Performance Aluminium Organic Batteries

    Peng X., Xie Y., Baktash A., Tang J., Lin T., Huang X., Hu Y., Jia Z., Searles D.J., Yamauchi Y., Wang L., Luo B.

    Angewandte Chemie - International Edition   Vol. 61 ( 25 )   2022

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    DOI: 10.1002/anie.202203646

  181. A General Concurrent Template Strategy for Ordered Mesoporous Intermetallic Nanoparticles with Controllable Catalytic Performance

    Lv H., Qin H., Ariga K., Yamauchi Y., Liu B.

    Angewandte Chemie - International Edition   Vol. 61 ( 17 )   2022

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    DOI: 10.1002/anie.202116179

  182. Plasma-Induced Nanocrystalline Domain Engineering and Surface Passivation in Mesoporous Chalcogenide Semiconductor Thin Films

    Ashok A., Vasanth A., Nagaura T., Eguchi M., Motta N., Phan H.-P., Nguyen N.-T., Shapter J.G., Na J., Yamauchi Y.

    Angewandte Chemie - International Edition   Vol. 61 ( 14 )   2022

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    DOI: 10.1002/anie.202114729

  183. Atomic-Level Platinum Filling into Ni-Vacancies of Dual-Deficient NiO for Boosting Electrocatalytic Hydrogen Evolution

    Yan Y., Lin J., Xu T., Liu B., Huang K., Qiao L., Liu S., Cao J., Jun S.C., Yamauchi Y., Qi J.

    Advanced Energy Materials   Vol. 12 ( 24 )   2022

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    DOI: 10.1002/aenm.202200434

  184. MXene Nanoarchitectonics: Defect-Engineered 2D MXenes towards Enhanced Electrochemical Water Splitting

    Tang Y., Yang C., Xu X., Kang Y., Henzie J., Que W., Yamauchi Y.

    Advanced Energy Materials   Vol. 12 ( 12 )   2022

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    DOI: 10.1002/aenm.202103867

  185. Current Progress and Scalable Approach toward the Synthesis of 2D Metal–Organic Frameworks

    Chen J.E., Yang Z.-J., Koh H.U., Shen J., Cai Y., Yamauchi Y., Yeh L.-H., Tung V., Wu K.C.W.

    Advanced Materials Interfaces   Vol. 9 ( 13 )   2022

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    DOI: 10.1002/admi.202102560

  186. Fullerphene Nanosheets: A Bottom-Up 2D Material for Single-Carbon-Atom-Level Molecular Discrimination

    Song J., Murata T., Tsai K.-C., Jia X., Sciortino F., Ma R., Yamauchi Y., Hill J.P., Shrestha L.K., Ariga K.

    Advanced Materials Interfaces   Vol. 9 ( 11 )   2022

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    DOI: 10.1002/admi.202102241

  187. Noble-Metal-Based Hollow Mesoporous Nanoparticles: Synthesis Strategies and Applications

    Sun L., Lv H., Feng J., Guselnikova O., Wang Y., Yamauchi Y., Liu B.

    Advanced Materials   Vol. 34 ( 31 )   2022

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    DOI: 10.1002/adma.202201954

  188. Material Evolution with Nanotechnology, Nanoarchitectonics, and Materials Informatics: What will be the Next Paradigm Shift in Nanoporous Materials?

    Chaikittisilp W., Yamauchi Y., Ariga K.

    Advanced Materials   Vol. 34 ( 7 )   2022

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    DOI: 10.1002/adma.202107212

  189. Understanding Synthesis–Structure–Performance Correlations of Nanoarchitectured Activated Carbons for Electrochemical Applications and Carbon Capture

    Zhang S., Zheng M., Tang Y., Zang R., Zhang X., Huang X., Chen Y., Yamauchi Y., Kaskel S., Pang H.

    Advanced Functional Materials   Vol. 32 ( 40 )   2022

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    DOI: 10.1002/adfm.202204714

  190. Constructing Fast Transmembrane Pathways in a Layered Double Hydroxide Nanosheets/Nanoparticles Composite Film for an Inorganic Anion-Exchange Membrane

    Xian F., Jia L., Sugahara Y., Xue H., Yamauchi Y., Sasaki T., Ma R.

    ACS Applied Materials and Interfaces   Vol. 14 ( 45 ) page: 51212 - 51221   2022

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    DOI: 10.1021/acsami.2c15764

  191. Porous Nanoarchitectures of Nonprecious Metal Borides: From Controlled Synthesis to Heterogeneous Catalyst Applications

    Kang Y., Tang Y., Zhu L., Jiang B., Xu X., Guselnikova O., Li H., Asahi T., Yamauchi Y.

    ACS Catalysis   Vol. 12 ( 23 ) page: 14773 - 14793   2022

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    DOI: 10.1021/acscatal.2c03480

  192. Molecular-Scale Manipulation of Layer Sequence in Heteroassembled Nanosheet Films toward Oxygen Evolution Electrocatalysts

    He Y., Jia L., Lu X., Wang C., Liu X., Chen G., Wu D., Wen Z., Zhang N., Yamauchi Y., Sasaki T., Ma R.

    ACS Nano   Vol. 16 ( 3 ) page: 4028 - 4040   2022

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    DOI: 10.1021/acsnano.1c09615

  193. Integrated, Transparent Silicon Carbide Electronics and Sensors for Radio Frequency Biomedical Therapy

    Nguyen T.-K., Yadav S., Truong T.-A., Han M., Barton M., Leitch M., Guzman P., Dinh T., Ashok A., Vu H., Dau V., Haasmann D., Chen L., Park Y., Do T.N., Yamauchi Y., Rogers J.A., Nguyen N.-T., Phan H.-P.

    ACS Nano   Vol. 16 ( 7 ) page: 10890 - 10903   2022

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    DOI: 10.1021/acsnano.2c03188

  194. General Synthesis of MOF Nanotubes via Hydrogen-Bonded Organic Frameworks toward Efficient Hydrogen Evolution Electrocatalysts

    Cai Z.-X., Xia Y., Ito Y., Ohtani M., Sakamoto H., Ito A., Bai Y., Wang Z.-L., Yamauchi Y., Fujita T.

    ACS Nano   Vol. 16 ( 12 ) page: 20851 - 20864   2022

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    DOI: 10.1021/acsnano.2c08245

  195. Palm Sugar-Induced Formation of Hexagonal Tungsten Oxide with Nanorod-Assembled Three-Dimensional Hierarchical Frameworks for Nitrogen Dioxide Sensing

    Septiani N.L.W., Shukri G., Saputro A.G., Nugraha, Karim M.R., Al-Mubaddel F., Hardiansyah A., Yamauchi Y., Kaneti Y.V., Yuliarto B.

    ACS Sustainable Chemistry and Engineering   Vol. 10 ( 46 ) page: 15035 - 15045   2022

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    DOI: 10.1021/acssuschemeng.2c03315

  196. Metal-Organic Framework-Derived Graphene Mesh: A Robust Scaffold for Highly Exposed Fe-N4Active Sites toward an Excellent Oxygen Reduction Catalyst in Acid Media

    Li J., Xia W., Tang J., Gao Y., Jiang C., Jia Y., Chen T., Hou Z., Qi R., Jiang D., Asahi T., Xu X., Wang T., He J., Yamauchi Y.

    Journal of the American Chemical Society   Vol. 144 ( 21 ) page: 9280 - 9291   2022

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    DOI: 10.1021/jacs.2c00719

  197. Two-Dimensional Metal-Organic Framework Superstructures from Ice-Templated Self-Assembly

    Song Y., Song X., Wang X., Bai J., Cheng F., Lin C., Wang X., Zhang H., Sun J., Zhao T., Nara H., Sugahara Y., Li X., Yamauchi Y.

    Journal of the American Chemical Society   Vol. 144 ( 38 ) page: 17457 - 17467   2022

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    DOI: 10.1021/jacs.2c06109

  198. MOF-derived nanoporous carbons with diverse tunable nanoarchitectures

    Kim M., Xin R., Earnshaw J., Tang J., Hill J.P., Ashok A., Nanjundan A.K., Kim J., Young C., Sugahara Y., Na J., Yamauchi Y.

    Nature Protocols   Vol. 17 ( 12 ) page: 2990 - 3027   2022

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    DOI: 10.1038/s41596-022-00718-2

  199. Ultrathin nanosheet-assembled nickel-based metal–organic framework microflowers for supercapacitor applications

    Wang C.-H., Zhang D.-W., Liu S., Yamauchi Y., Zhang F.-B., Kaneti Y.V.

    Chemical Communications   Vol. 58 ( 7 ) page: 1009 - 1012   2022

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    Language:English   Publisher:Royal Society of Chemistry  

    DOI: 10.1039/d1cc04880e

  200. Efficient lithium-ion storage using a heterostructured porous carbon framework and its

    Kim M., Fernando J.F.S., Wang J., Nanjundan A.K., Na J., Hossain M.S.A., Nara H., Martin D., Sugahara Y., Golberg D., Yamauchi Y.

    Chemical Communications   Vol. 58 ( 6 ) page: 863 - 866   2022

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    Language:English   Publisher:Royal Society of Chemistry  

    DOI: 10.1039/d1cc05298e

  201. Heterointerface optimization in a covalent organic framework-on-MXene for high-performance capacitive deionization of oxygenated saline water

    Zhang S., Xu X., Liu X., Yang Q., Shang N., Zhao X., Zang X., Wang C., Wang Z., Shapter J.G., Yamauchi Y.

    Materials Horizons   Vol. 9 ( 6 ) page: 1708 - 1716   2022

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    Language:English   Publisher:Royal Society of Chemistry  

    DOI: 10.1039/d1mh01882e

  202. MoS2 nanosheets with expanded interlayer spacing for ultra-stable aqueous Mg-ion hybrid supercapacitor

    Pan G., Li J., Han L., Peng W., Xu X., Lu T., Amin M.A., Yamauchi Y., Xu M., Pan L.

    Inorganic Chemistry Frontiers   Vol. 9 ( 8 ) page: 1666 - 1673   2022

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    Language:English   Publisher:Royal Society of Chemistry  

    DOI: 10.1039/d1qi01613j

  203. Mesoporous PdBi nanocages for enhanced electrocatalytic performances by all-direction accessibility and steric site activation

    Du D., Geng Q., Ma L., Ren S., Li J.-X., Dong W., Hua Q., Fan L., Shao R., Wang X., Li C., Yamauchi Y.

    Chemical Science   Vol. 13 ( 13 ) page: 3819 - 3825   2022

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    Language:English   Publisher:Royal Society of Chemistry  

    DOI: 10.1039/d1sc06314f

  204. Performance enhancement strategies for surface plasmon resonance sensors in direct glucose detection using pristine and modified UiO-66: effects of morphology, immobilization technique, and signal amplification

    Gumilar G., Henzie J., Yuliarto B., Patah A., Nugraha N., Iqbal M., Amin M.A., Hossain M.S.A., Yamauchi Y., Kaneti Y.V.

    Journal of Materials Chemistry A   Vol. 10 ( 12 ) page: 6662 - 6678   2022

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    Language:English   Publisher:Royal Society of Chemistry  

    DOI: 10.1039/d1ta08741j

  205. Biomass-derived carbon doping to enhance the current carrying capacity and flux pinning of an isotopic Mg11B2 superconductor

    Shahbazi M., Hao Y., Patel D., Liang H., Yamauchi Y., Hossain M.S.A.

    Journal of Magnesium and Alloys   Vol. 10 ( 7 ) page: 1868 - 1877   2022

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    DOI: 10.1016/j.jma.2022.01.010

  206. Surface Filtration in Mesoporous Au Films Decorated by Ag Nanoparticles for Solving SERS Sensing Small Molecules in Living Cells

    Guselnikova O., Nugraha A.S., Na J., Postnikov P., Kim H.-J., Plotnikov E., Yamauchi Y.

    ACS Applied Materials and Interfaces   Vol. 14 ( 36 ) page: 41629 - 41639   2022

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    Language:English   Publisher:American Chemical Society  

    DOI: 10.1021/acsami.2c12804

  207. Tailoring the Structure of Chitosan-Based Porous Carbon Nanofiber Architectures toward Efficient Capacitive Charge Storage and Capacitive Deionization

    Szabó L., Xu X., Uto K., Henzie J., Yamauchi Y., Ichinose I., Ebara M.

    ACS Applied Materials and Interfaces   Vol. 14 ( 3 ) page: 4004 - 4021   2022

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    Language:English   Publisher:American Chemical Society  

    DOI: 10.1021/acsami.1c20199

  208. MgB2 Superconducting Joint Architecture with the Functionality to Screen External Magnetic Fields for MRI Magnet Applications

    Patel D., Matsumoto A., Kumakura H., Maeda M., Kim S.-H., Liang H., Yamauchi Y., Choi S., Kim J.H., Hossain M.S.A.

    ACS Applied Materials and Interfaces   Vol. 14 ( 2 ) page: 3418 - 3426   2022

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    Language:English   Publisher:American Chemical Society  

    DOI: 10.1021/acsami.1c19581

  209. Long-Lasting Self-Healing Surface Dewettability through the Rapid Regeneration of Surface Morphologies

    Nakamura S., Yamauchi Y., Hozumi A.

    Langmuir   Vol. 38 ( 24 ) page: 7611 - 7617   2022

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    Language:English   Publisher:American Chemical Society  

    DOI: 10.1021/acs.langmuir.2c00956

  210. Borophene: Two-dimensional Boron Monolayer: Synthesis, Properties, and Potential Applications

    Kaneti Y.V., Benu D.P., Xu X., Yuliarto B., Yamauchi Y., Golberg D.

    Chemical Reviews   Vol. 122 ( 1 ) page: 1000 - 1051   2022

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    Language:English   Publisher:American Chemical Society  

    DOI: 10.1021/acs.chemrev.1c00233

  211. Symmetry-Breaking Plasmonic Mesoporous Gold Nanoparticles with Large Pores

    Nugraha A.S., Guselnikova O., Henzie J., Na J., Hossain M.S.A., Dag Ö., Rowan A.E., Yamauchi Y.

    Chemistry of Materials   Vol. 34 ( 16 ) page: 7256 - 7270   2022

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    Language:English   Publisher:American Chemical Society  

    DOI: 10.1021/acs.chemmater.2c01125

  212. Nanoarchitectured Conjugated Microporous Polymers: State of the Art Synthetic Strategies and Opportunities for Adsorption Science

    Wan N., Chang Q., Hou F., Zhang S., Zang X., Zhao X., Wang C., Wang Z., Yamauchi Y.

    Chemistry of Materials   Vol. 34 ( 17 ) page: 7598 - 7619   2022

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    Language:English   Publisher:American Chemical Society  

    DOI: 10.1021/acs.chemmater.2c00999

  213. Metal-Organic Frameworks: A Robust Platform for Creating Nanoarchitectured Carbon Materials

    Wang C., Yao Y., Li J., Yamauchi Y.

    Accounts of Materials Research   Vol. 3 ( 4 ) page: 426 - 438   2022

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    Language:English   Publisher:American Chemical Society  

    DOI: 10.1021/accountsmr.1c00258

  214. Nanoarchitectured superparamagnetic iron oxide-doped mesoporous carbon nanozymes for glucose sensing

    Wahab M.A., Hossain S.M.A., Masud M.K., Park H., Ashok A., Mustapić M., Kim M., Patel D., Shahbazi M., Hossain M.S.A., Yamauchi Y., Kaneti Y.V.

    Sensors and Actuators B: Chemical   Vol. 366   2022

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    Language:English   Publisher:Elsevier B.V.  

    DOI: 10.1016/j.snb.2022.131980

  215. Multifunctional wearable thermal management textile fabricated by one-step sputtering

    Wang C., Zhang W., Xu X., Su J., Shi J., Amin M.A., Zhang J., Yamauchi Y.

    Nano Today   Vol. 45   2022

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    Language:English   Publisher:Elsevier B.V.  

    DOI: 10.1016/j.nantod.2022.101526

  216. Ion transport channels in redox flow deionization enable ultra-high desalination performance

    Lin P., Yang T., Li Z., Xia W., Xuan X., Sun X., Alshehri S.M., Ahamad T., Yamauchi Y., Xu X., Bando Y.

    Nano Energy   Vol. 102   2022

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    Language:English   Publisher:Elsevier Ltd  

    DOI: 10.1016/j.nanoen.2022.107652

  217. Significant effect of synthesis methodologies of metal-organic frameworks upon the additively manufactured dual-mode triboelectric nanogenerator towards self-powered applications

    Hajra S., Sahu M., Sahu R., Padhan A.M., Alagarsamy P., Kim H.-G., Lee H., Oh S., Yamauchi Y., Kim H.J.

    Nano Energy   Vol. 98   2022

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    DOI: 10.1016/j.nanoen.2022.107253

  218. MOF-on-MOF nanoarchitectures for selectively functionalized nitrogen-doped carbon-graphitic carbon/carbon nanotubes heterostructure with high capacitive deionization performance

    Zhang Y., Wu J., Zhang S., Shang N., Zhao X., Alshehri S.M., Ahamad T., Yamauchi Y., Xu X., Bando Y.

    Nano Energy   Vol. 97   2022

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    DOI: 10.1016/j.nanoen.2022.107146

  219. Materials informatics-guided superior electrocatalyst: A case of pyrolysis-free single-atom coordinated with N-graphene nanomesh

    Xia W., Hou Z., Tang J., Li J., Chaikittisilp W., Kim Y., Muraoka K., Zhang H., He J., Han B., Yamauchi Y.

    Nano Energy   Vol. 94   2022

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    Language:English   Publisher:Elsevier Ltd  

    DOI: 10.1016/j.nanoen.2021.106868

  220. Tailoring ZSM-5 zeolite porosity and acidity for efficient conversion of municipal solid waste to fuel

    Ahmed M.H., Batalha N., Xu J., Yamauchi Y., Konarova M.

    Microporous and Mesoporous Materials   Vol. 330   2022

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    Language:English   Publisher:Elsevier B.V.  

    DOI: 10.1016/j.micromeso.2021.111579

  221. N-doped hollow carbon nanoplates with mesoporous thin shells towards high-performance supercapacitors

    Lu X., Wang J., Li T., Ding B., Liu S., Henzie J., Amin M.A., Yuliarto B., Sugahara Y., Yamauchi Y.

    Journal of Power Sources   Vol. 542   2022

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    DOI: 10.1016/j.jpowsour.2022.231776

  222. Layer-by-Layer Motif Heteroarchitecturing of N,S-Codoped Reduced Graphene Oxide-Wrapped Ni/NiS Nanoparticles for the Electrochemical Oxidation of Water

    Mohamed Barakat Zakaria, Yanna Guo, Jongbeom Na, Rafat Tahawy, Toyohiro Chikyow, Waleed A. El-Said, Deia A. El-Hady, Wael Alshitari, Yusuke Yamauchi, Jianjian Lin

    ChemSusChem   Vol. 13 ( 12 ) page: 3269 - 3276   2020.6

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    A new heterostructured material is synthesized with lamellar arrangements in nanoscale precision through an innovative synthetic approach. The self-assembled Ni-based cyano-bridged coordination polymer flakes (Ni-CP) and graphene oxide (GO) nanosheets with a layered morphology (Ni-CP/GO) are used as precursors for the synthesis of multicomponent hybrid materials. Annealing of Ni-CP/GO in nitrogen at 450 °C allows the formation of Ni3C/rGO nanocomposites. Grinding Ni-CP/GO and thiourea and annealing under the same conditions produces N,S-codoped reduced GO-wrapped NiS2 flakes (NiS2/NS-rGO). Interestingly, further heating up to 550 °C allows the phase transformation of NiS2 into NiS accompanied by the formation of a face-centered cubic (FCC-Ni) metal phase between NS-rGO layers (FCC-Ni-NiS/NS-rGO). Among all the materials, the resulting FCC-Ni-NiS/NS-rGO exhibits good electrocatalytic activity and stability toward the oxygen evolution reaction (OER) owing to the synergistic effect of multiphases, the well-designed alternating layered structures on the nanoscale with abundant active sites.

    DOI: 10.1002/cssc.202000159

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    PubMed

  223. Mesoscopic Architectures Made of Electrically Charged Binary Colloidal Nanosheets in Aqueous System Reviewed

    Teruyuki Nakato, Atsushi Takahashi, Shinya Terada, Shogo Yamaguchi, Emiko Mouri, Morio Shintate, Shinya Yamamoto, Yusuke Yamauchi, Nobuyoshi Miyamoto

    Langmuir   Vol. 35 ( 45 ) page: 14543 - 14552   2019.11

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    Publishing type:Research paper (scientific journal)   Publisher:American Chemical Society ({ACS})  

    DOI: 10.1021/acs.langmuir.9b02474

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  224. Graphene-Wrapped Nanoporous Nickel-Cobalt Oxide Flakes for Electrochemical Supercapacitors

    Alowasheeir Azhar, Mohamed B. Zakaria, Jianjian Lin, Toyohiro Chikyow, Darren J. Martin, Yousef Gamaan Alghamdi, Abdulmohsen Ali Alshehri, Yoshio Bando, Md Shahriar A. Hossain, Kevin C.W. Wu, Nanjundan Ashok Kumar, Yusuke Yamauchi

    ChemistrySelect   Vol. 3 ( 29 ) page: 8505 - 8510   2018.8

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    A novel approach for hybridizing nanoporous NiCo oxide flakes with graphene sheets is reported. Positively charged cyano-bridged CoNi coordination polymer flakes (CoNi-CP) are mixed with graphene (G) suspension with negatively charged surface. Due to effective electrostatic interaction, both the materials are hybridized to form CoNi-CP/G composite. The as-prepared CoNi-CP/G composite is thermally treated in air, to remove the organic components without affecting the integrity of the parent G sheets. Through the thermal treatment, the CoNi-CP flakes wrapped into G sheets are converted to NiCo oxide, resulting in a new composite consisting of NiCo oxide flakes and G sheets. The NiCo-oxide/G composite shows the high specific capacitance (∼ 199 F g-1) at 5 mV/s, and features the good capacitance retention of ∼68% at 100 mV(∼ 135 F g−1).

    DOI: 10.1002/slct.201801174

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  225. Synthesis of Hollow Co–Fe Prussian Blue Analogue Cubes by using Silica Spheres as a Sacrificial Template

    Alowasheeir Azhar, Mohamed B. Zakaria, El Zeiny M. Ebeid, Toyohiro Chikyow, Yoshio Bando, Abdulmohsen Ali Alshehri, Yousef Gamaan Alghamdi, Ze Xing Cai, Nanjundan Ashok Kumar, Jianjian Lin, Hansu Kim, Yusuke Yamauchi

    ChemistryOpen   Vol. 7 ( 8 ) page: 599 - 603   2018.8

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    Herein, we report a novel method for the formation of hollow Prussian blue analogue (CoFe–PBA) nanocubes, using spherical silica particles as sacrificial templates. In the first step, silica cores are coated by a CoFe–PBA shell and then removed by etching with hydrofluoric acid (HF). The cubic shape of CoFe–PBA is well-retained even after the removal of the silica cores, resulting in the formation of hollow CoFe–PBA cubes. The specific capacity of the hollow CoFe–PBA nanocubes electrodes is about two times higher than that of solid CoFe–PBA nanocubes as storage materials for sodium ions. Such an improvement in the electrochemical properties can be attributed to their hollow internal nanostructure. The hollow architecture can offer a larger interfacial area between the electrolyte and the electrode, leading to an improvement in the electrochemical activity. This strategy can be applied to develop PBAs with hollow interiors for a wide range of applications.

    DOI: 10.1002/open.201800120

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  226. Chemical Synthesis of Multilayered Nanostructured Perovskite Thin Films with Dielectric Features for Electric Capacitors

    Mohamed Barakat Zakaria, Takahiro Nagata, Asahiko Matsuda, Yudai Yasuhara, Atsushi Ogura, Md Shahriar A. Hossain, Motasim Billah, Yusuke Yamauchi, Toyohiro Chikyow

    ACS Applied Nano Materials   Vol. 1 ( 2 ) page: 915 - 921   2018.2

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    We report a simple sol-gel method for the preparation of multilayered hybrid thin films composed of nanostructured SrTiO3 (STO) and BaTiO3 (BTO) layers. A nanoporous thin film of STO is prepared by the spin-coating method on Si/SiO2/Ti/Pt substrate. When the BTO is processed, the BTO is crystallized between STO crystal pores. A significant strain field is induced on the interface between the STO and BTO surfaces. The concave shape of the nanopores could enable the realization of a highly strained interfacial heterostructure composed of STO/BTO. Compared to nanostructured STO, BTO, and bilayer STO/BTO films, multilayered STO/BTO films show the highest dielectric constant and a high Curie temperature (Tc) at around 280 °C, which is suitable for electric capacitor applications.

    DOI: 10.1021/acsanm.7b00310

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  227. Preparation of ultraviolet curing type silicone rubbers containing mesoporous silica fillers Reviewed

    Abdullah, N., Hossain, Md.S.A., Fatehmulla, A., Farooq, W.A., Islam, Md.T., Miyamoto, N., B, o, Y., Kamachi, Y., Malgras, V., Yamauchi, Y., Suzuki, N.

    Journal of Nanoscience and Nanotechnology   Vol. 18 ( 1 )   2018

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    Publishing type:Research paper (scientific journal)  

    DOI: 10.1166/jnn.2018.14553

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  228. Lignocellulosic biomass-derived, graphene sheet-like porous activated carbon for electrochemical supercapacitor and catechin sensing Reviewed

    Veeramani, V., Sivakumar, M., Chen, S.-M., Madhu, R., Alamri, H.R., Alothman, Z.A., Hossain, M.S.A., Chen, C.-K., Yamauchi, Y., Miyamoto, N., Wu, K.C.-W.

    RSC Advances   Vol. 7 ( 72 )   2017

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    Publishing type:Research paper (scientific journal)  

    DOI: 10.1039/c7ra07810b

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  229. Thermo-responsive hydrogels containing mesoporous silica toward controlled and sustainable releases Reviewed

    Yuichiro Kamachi, Bishnu Prasad Bastakoti, Saad M. Alshehri, Nobuyoshi Miyamoto, Teruyuki Nakato, Yusuke Yamauchi

    MATERIALS LETTERS   Vol. 168   page: 176 - 179   2016.4

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    Here we prepare thermo-responsive hydrogel containing mesoporous silica (KIT -6) with high surface area. Our hybrid hydrogel is prepared by gelation of NIPAM monomer with mesoporous silica particles in presence of cross linker. Owing to the doped mesoporous silica, a large amount of guest molecules are adsorbed easily. With increase of temperature, the hybrid hydrogel shrinks to retard the release of guest molecules. (C) 2015 Elsevier B.V. All rights reserved.

    DOI: 10.1016/j.matlet.2015.12.132

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  230. Perspective: Recent developments in hybrid hydrogels containing inorganic nanomaterials Reviewed

    Malgras, V., Kamachi, Y., Nakato, T., Yamauchi, Y., Miyamoto, N.

    Nanoscience and Nanotechnology Letters   Vol. 8 ( 4 )   2016

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    DOI: 10.1166/nnl.2016.2140

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  231. Polymeric Micelle Assembly with Inorganic Nanosheets for Construction of Mesoporous Architectures with Crystallized Walls Reviewed

    Bishnu Prasad Bastakoti, Yunqi Li, Masataka Imura, Nobuyoshi Miyamoto, Teruyuki Nakato, Takayoshi Sasaki, Yusuke Yamauchi

    ANGEWANDTE CHEMIE-INTERNATIONAL EDITION   Vol. 54 ( 14 ) page: 4222 - 4225   2015.3

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    Here we propose a novel way to construct mesoporous architectures through evaporation-induced assembly of polymeric micelles with crystalline nanosheets. As a model study, we used niobate nanosheets exfoliated by the direct reaction of K4Nb6O17 center dot 3H(2)O crystals with an aqueous solution of propylamine. The electrostatic interaction between negatively charged nanosheets and positively charged polymeric micelles enable us to form composite micelles with the nanosheets. Removal of the micelles by calcination results in robust mesoporous oxides with the original crystalline structure.

    DOI: 10.1002/anie.201410942

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  232. Surfactant-Directed Synthesis of Mesoporous Pd Films with Perpendicular Mesochannels as Efficient Electrocatalysts Reviewed

    Li, C., Jiang, B., Miyamoto, N., Kim, J.H., Malgras, V., Yamauchi, Y.

    Journal of the American Chemical Society   Vol. 137 ( 36 )   2015

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    Publishing type:Research paper (scientific journal)  

    DOI: 10.1021/jacs.5b06278

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  233. Polymeric micelle assembly for the direct synthesis of functionalized mesoporous silica with fully accessible Pt nanoparticles toward an improved CO oxidation reaction Reviewed

    Bishnu Prasad Bastakoti, Yunqi Li, Nobuyoshi Miyamoto, Noelia M. Sanchez-Ballester, Hideki Abe, Jinhua Ye, Pavulun Srinivasu, Yusuke Yamauchi

    CHEMICAL COMMUNICATIONS   Vol. 50 ( 65 ) page: 9101 - 9104   2014.8

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    Pt-decorated mesoporous silica is directly prepared using a polymeric micelles assembly approach using an asymmetric triblock copolymer, poly(styrene-b-2-vinylpyridine-b-ethylene oxide) as the structure directing agent. Strongly immobilized, fully accessible, and uniformly dispersed Pt nanoparticles on mesoporous silica wall exhibit superior catalytic activity toward CO oxidation.

    DOI: 10.1039/c4cc02556c

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  234. Gigantic Swelling of Inorganic Layered Materials: A Bridge to Molecularly Thin Two-Dimensional Nanosheets Reviewed

    Fengxia Geng, Renzhi Ma, Yasuo Ebina, Yusuke Yamauchi, Nobuyoshi Miyamoto, Takayoshi Sasaki

    JOURNAL OF THE AMERICAN CHEMICAL SOCIETY   Vol. 136 ( 14 ) page: 5491 - 5500   2014.4

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    Platy microcrystals of a typical layered material, protonated titanate, have been shown to undergo an enormous degree of swelling in aqueous solutions of various amines, including tertiary amines, quaternary ammonium hydroxides, and primary amines. Introducing these solutions expanded the crystal gallery height by up to similar to 100-fold. Through systematic analysis, we determined that ammonium ion intercalation is predominantly affected by the acid base equilibrium and that the degree of swelling or inflow of H2O is controlled by the osmotic pressure balance between the gallery and the solution environment, both of which are relatively independent of electrolyte identity but substantially dependent on molarity. In solutions of tertiary amines and quaternary ammonium hydroxides, the uptake of ammonium ions increases nearly linearly with increasing external concentration before reaching a saturation plateau, i.e., similar to 40% relative to the cation-exchange capacity of the crystals used. The only exception is tetrabutylammonium ions, which yield a lower saturation value, similar to 30%, owing to steric effects. The swelling behaviors in some primary amine solutions differ as a result of the effect of attractive forces between amine solute molecules on the solution osmotic pressure. Although the swelling is essentially colligative in nature, the stability of the resultant swollen structure is heavily dependent on the chemical nature of the guest ions. Intercalated ions of higher polarity and smaller size help stabilize the swollen structure, whereas ions of lower polarity and larger size lead readily to exfoliation. The insight gained from this study sheds new light on both the incorporation of guest molecules into a gallery of layered structures in general and the exfoliation of materials into elementary single-layer nanosheets.

    DOI: 10.1021/ja501587y

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  235. Effective use of mesoporous silica filler: Comparative study on thermal stability and transparency of silicone rubbers loaded with various kinds of silica particles Reviewed

    Suzuki, N., Kamachi, Y., Takai, K., Kiba, S., Sakka, Y., Miyamoto, N., Yamauchi, Y.

    European Journal of Inorganic Chemistry   ( 17 )   2014

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    DOI: 10.1002/ejic.201301615

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  236. Mesoporous silica particles as topologically crosslinking fillers for poly(N-isopropylacrylamide) hydrogels Reviewed

    Miyamoto, N., Shimasaki, K., Yamamoto, K., Shintate, M., Kamachi, Y., Bastakoti, B.P., Suzuki, N., Motokawa, R., Yamauchi, Y.

    Chemistry - A European Journal   Vol. 20 ( 46 )   2014

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    Publishing type:Research paper (scientific journal)  

    DOI: 10.1002/chem.201403762

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  237. Unusually stable similar to 100-fold reversible and instantaneous swelling of inorganic layered materials Reviewed

    Fengxia Geng, Renzhi Ma, Akira Nakamura, Kosho Akatsuka, Yasuo Ebina, Yusuke Yamauchi, Nobuyoshi Miyamoto, Yoshitaka Tateyama, Takayoshi Sasaki

    NATURE COMMUNICATIONS   Vol. 4   page: 1632-1 - 1632-7   2013.3

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    Language:English   Publishing type:Research paper (scientific journal)   Publisher:NATURE PUBLISHING GROUP  

    Cells can swell or shrink in certain solutions; however, no equivalent activity has been observed in inorganic materials. Although lamellar materials exhibit increased volume with increase in the lamellar period, the interlamellar expansion is usually limited to a few nanometres, with a simultaneous partial or complete exfoliation into individual atomic layers. Here we demonstrate a large monolithic crystalline swelling of layered materials. The gallery spacing can be instantly increased similar to 100-fold in one direction to similar to 90 nm, with the neighbouring layers separated primarily by H2O. The layers remain strongly held without peeling or translational shifts, maintaining a nearly perfect three-dimensional lattice structure of &gt;3,000 layers. First-principle calculations yield a long-range directional structuring of the H2O molecules that may help to stabilize the highly swollen structure. The crystals can also instantaneously shrink back to their original sizes. These findings provide a benchmark for understanding the exfoliating layered materials.

    DOI: 10.1038/ncomms2641

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  238. Liquid crystalline inorganic nanosheets for facile synthesis of polymer hydrogels with anisotropies in structure, optical property, swelling/deswelling, and ion transport/fixation Reviewed

    Nobuyoshi Miyamoto, Morio Shintate, Shogo Ikeda, Yasutomo Hoshida, Yusuke Yamauchi, Ryuhei Motokawa, Masahiko Annaka

    CHEMICAL COMMUNICATIONS   Vol. 49 ( 11 ) page: 1082 - 1084   2013

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    Macroscopically anisotropic hydrogels were synthesized by hybridization of poly(N-isopropylacrylamide) with liquid crystalline inorganic nanosheets; their anisotropies in the structure and properties are demonstrated.

    DOI: 10.1039/c2cc36654a

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    Other Link: http://orcid.org/0000-0001-5010-0112

  239. Mesoporous metallic cells: Design of uniformly sized hollow mesoporous Pt-Ru particles with tunable shell thicknesses Reviewed

    Ataee-Esfahani, H., Liu, J., Hu, M., Miyamoto, N., Tominaka, S., Wu, K.C.W., Yamauchi, Y.

    Small   Vol. 9 ( 7 )   2013

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    DOI: 10.1002/smll.201202539

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  240. Synthesis of Mesoporous Pt Films with Tunable Pore Sizes from Aqueous Surfactant Solutions Reviewed

    Hongjing Wang, Liang Wang, Takaaki Sato, Yasuhiro Sakamoto, Satoshi Tominaka, Keiichi Miyasaka, Nobuyoshi Miyamoto, Yoshihiro Nemoto, Osamu Terasaki, Yusuke Yamauchi

    CHEMISTRY OF MATERIALS   Vol. 24 ( 9 ) page: 1591 - 1598   2012.5

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    Platinum (Pt) is widely used as battery electrodes, catalysts for chemicals, and catalysts for exhaust gas decomposition in industries. Increasing need and very limited supply of rare Pt is a serious problem in the world. Here, we propose new synthetic way for reducing the use of Pt in a catalytic system by increasing the surface area and modifying the Pt surface structure. Several types of mesoporous Pt films with different pore sizes ranging from 5 to 30 nm are prepared by electrochemical plating in aqueous surfactant solutions. The mesopore walls are composed of connected Pt nanoparticles with around 3 nm in diameter. The Pt atomic crystallinity is coherently extending across over several Pt nanoparticles, showing a large number of atomic steps, which can accelerate methanol oxidation reaction. As a result of a high surface area and unique Pt surface, our mesoporous Pt film exhibits high potentiality as a superior electrocatalyst.

    DOI: 10.1021/cm300054b

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  241. Synthesis of mesoporous titania nanoparticles with anatase frameworks and investigation of their photocatalytic performance Reviewed

    Zakaria, M.B., Suzuki, N., Shimasaki, K., Miyamoto, N., Huang, Y.-T., Yamauchi, Y.

    Journal of Nanoscience and Nanotechnology   Vol. 12 ( 6 )   2012

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    Publishing type:Research paper (scientific journal)  

    DOI: 10.1166/jnn.2012.6205

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  242. Unusual reinforcement of silicone rubber compounds containing mesoporous silica particles as inorganic fillers Reviewed

    Norihiro Suzuki, Shosuke Kiba, Yuichiro Kamachi, Nobuyoshi Miyamoto, Yusuke Yamauchi

    PHYSICAL CHEMISTRY CHEMICAL PHYSICS   Vol. 14 ( 10 ) page: 3400 - 3407   2012

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    We fabricate mesoporous silica/silicone composites in a simple way and systematically examine their thermal stability, swelling characteristic, mechanical strength, and transparency. Simple calculations show that more than 90 vol% of mesopores are filled with silicone rubbers. Compared to non-porous silica/silicone composites, mesoporous silica/silicone composites showed a lower coefficient of linear thermal expansion (CTE). In addition, dramatic improvements of the tensile strength and Young's modulus are obtained with mesoporous silica/silicone composites. Furthermore, mesoporous silica/silicone composites show higher transparency than non-porous silica/silicone composites.

    DOI: 10.1039/c2cp23864k

    Web of Science

  243. Hybridization of Photoactive Titania Nanoparticles with Mesoporous Silica Nanoparticles and Investigation of Their Photocatalytic Activity Reviewed

    Norihiro Suzuki, Xiangfen Jiang, Logudurai Radhakrishnan, Kimiko Takai, Kotaro Shimasaki, Yu-Tzu Huang, Nobuyoshi Miyamoto, Yusuke Yamauchi

    BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN   Vol. 84 ( 7 ) page: 812 - 817   2011.7

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    Language:English   Publishing type:Research paper (scientific journal)   Publisher:CHEMICAL SOC JAPAN  

    Here we demonstrate that photoactive titania (titanium dioxide) nanoparticles are successfully hybridized with an optimized amount of mesoporous silica (silicon dioxide) nanoparticles to realize drastic improvement of photocatalitic activity of the titania nanoparticles. Various types of mesoporous silica/titania composites are prepared by changing the amounts of doped mesoporous silica. Low-angle XRD patterns and N-2 adsorption-desorption isotherms reveal that the original mesostructures and pore sizes of mesoporous silica nanoparticles are well maintained even after hybridization with the titania nanoparticles. From SEM and TEM observation, it is confirmed that both the nanoparticles are homogeneously dispersed in the composite matrix. The obtained mesoporous silica/titania composites show excellent photocatalytic activity in the decomposition of methylene blue (MB), in comparison with titania nanoparticles without mesoporous silica. By hybridization with mesoporous silica, the photogenerated radicals from titania surfaces can efficiently react with many MB molecules captured inside the mesopores.

    DOI: 10.1246/bcsj.20110027

    Web of Science

  244. Synthesis of mesoporous Nb2O5 with crystalline walls and investigation of their photocatalytic activity Reviewed

    Norihiro Suzuki, Taimur Athar, Yu-Tzu Huang, Kotaro Shimasaki, Nobuyoshi Miyamoto, Yusuke Yamauchi

    JOURNAL OF THE CERAMIC SOCIETY OF JAPAN   Vol. 119 ( 1390 ) page: 405 - 411   2011.6

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    Language:English   Publishing type:Research paper (scientific journal)   Publisher:CERAMIC SOC JAPAN-NIPPON SERAMIKKUSU KYOKAI  

    We synthesize various kinds of mesoporous Nb2O5 samples by changing surfactants (P123 and Brij 56), followed by calcination (from 400 to 500 and 600 degrees C). The effect of these parameters helps to produce a well-defined mesoporous framework with crystallinity. The mesoporous Nb2O5 samples are well characterized by using small-angle X-ray scattering (SAXS) measurements, N-2 adsorption-desorption isotherms, and wide-angle XRD measurements. In a P123 system, the frameworks are well crystallized to the TT-phase (pseudo-hexagonal) by calcination at 500 degrees C with retention of the mesoporous structures. In the Brij 56 system, after calcination at 500 degrees C, the framework is well retained in an amorphous state. It is proved that the thick walls prepared with P123 are easily crystallized in comparison to thin walls prepared with Brij 56. Furthermore, we investigate the photocatalytic activity by using several types of mesoporous Nb2O5 prepared with P123. All these mesoporous Nb2O5 samples show photocatalytic activity with their decomposition reaction of methylene blue (MB) molecules. It is concluded that the reaction rates depend on their crystallinities in the frameworks, surface areas, and average mesopore sizes. (C)2011 The Ceramic Society of Japan. All rights reserved.

    DOI: 10.2109/jcersj2.119.405

    Web of Science

  245. Aerosol-assisted synthesis of nanoporous silica/titania nanoparticles composites and investigation of their photocatalytic properties Reviewed

    Shimasaki, K., Suzuki, N., Miyamoto, N., Yamauchi, Y.

    Journal of Nanoscience and Nanotechnology   Vol. 11 ( 4 )   2011

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    Publishing type:Research paper (scientific journal)  

    DOI: 10.1166/jnn.2011.3722

    Scopus

  246. Exfoliated nanosheets of layered perovskite KCa<inf>2</inf>Nb <inf>3</inf>O<inf>10</inf> as an inorganic liquid crystal Reviewed

    Miyamoto, N., Yamamoto, S., Shimasaki, K., Harada, K., Yamauchi, Y.

    Chemistry - An Asian Journal   Vol. 6 ( 11 )   2011

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    Publishing type:Research paper (scientific journal)  

    DOI: 10.1002/asia.201100279

    Scopus

  247. Highly photoactive porous anatase films obtained by deformation of 3D mesostructures Reviewed

    Kimura, T., Yamauchi, Y., Miyamoto, N.

    Chemistry - A European Journal   Vol. 17 ( 14 )   2011

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    Publishing type:Research paper (scientific journal)  

    DOI: 10.1002/chem.201002939

    Scopus

  248. Mesoporous silica as smart inorganic filler: preparation of robust silicone rubber with low thermal expansion property Reviewed

    Norihiro Suzuki, Shosuke Kiba, Yuichiro Kamachi, Nobuyoshi Miyamoto, Yusuke Yamauchi

    JOURNAL OF MATERIALS CHEMISTRY   Vol. 21 ( 14 ) page: 5338 - 5344   2011

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    Language:English   Publishing type:Research paper (scientific journal)   Publisher:ROYAL SOC CHEMISTRY  

    Here we demonstrate the importance of mesoporous silica as a smart inorganic filler. Silicone rubber with low thermal expansion is realized by doping mesoporous silica particles. For the preparation of mesoporous silica/silicone composites, an unpolymerized silicone component is diluted by a volatile organic solvent and then is penetrated into the mesopores by a capillary force. After penetration, the organic solvent is evaporated completely. Based on theoretical calculations, the estimated degree of mesopore filling is more than 90%. Mesoporous silica/silicone composites show much lower Coefficient of Linear Thermal Expansion (CTE) and higher hardness values than do silicone composites with nonporous silica particles.

    DOI: 10.1039/c0jm03767b

    Web of Science

  249. Condensation- and crystallinity-controlled synthesis of titanium oxide films with assessed mesopores Reviewed

    Kimura, T., Yamauchi, Y., Miyamoto, N.

    Chemistry - A European Journal   Vol. 16 ( 40 )   2010

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    Publishing type:Research paper (scientific journal)  

    DOI: 10.1002/chem.201001251

    Scopus

  250. Liquid crystal phases in the aqueous colloids of size-controlled fluorinated layered clay mineral nanosheets Reviewed

    Nobuyoshi Miyamoto, Hirokazu Iijima, Hirokazu Ohkubo, Yusuke Yamauchi

    CHEMICAL COMMUNICATIONS   Vol. 46 ( 23 ) page: 4166 - 4168   2010

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    Language:English   Publishing type:Research paper (scientific journal)   Publisher:ROYAL SOC CHEMISTRY  

    Size-controlled nanosheet colloids of fluorohectorite and fluortetrasilicic mica were prepared in high yield and their transitions to fluid liquid crystal (LC) phases with highly ordered lamellar structures were identified over a wide concentration range, which is a rare case for clay mineral systems.

    DOI: 10.1039/b927335b

    Web of Science

  251. Evolution of standing mesochannels on porous anodic alumina substrates with designed conical holes

    Yusuke Yamauchi, Tomota Nagaura, Ayako Ishikawa, Toyohiro Chikyow, Satoru Inoue

    Journal of the American Chemical Society   Vol. 130 ( 31 ) page: 10165 - 10170   2008.8

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    Publishing type:Research paper (scientific journal)  

    We report the formation of standing mesochannels simply by spin-coating a precursor solution onto a PAA (porous anodic alumina) substrate with designed conical holes, utilizing exactly the same precursors and reaction conditions that form two-dimensional (2D) hexagonal mesoporous SBA-15-type films. When the aspect ratios of the conical holes are lower, the sponge-like mesopores are generated within the conical holes. Such a formation of sponge-like mesostructures truly acts as a trigger for the evolution of perpendicularly oriented and tilted mesochannels. On the other hand, when the PAA substrates with high-aspect cones are used, the mesochannels are stacked like a doughnut within the conical holes, which leads to parallel orientations of the mesochannels in the continuous film region. © 2008 American Chemical Society.

    DOI: 10.1021/ja7107036

    Scopus

  252. Three-dimensional GaN nano-structure fabrication by focused ion beam chemical vapor deposition

    T. Nagata, P. Ahmet, Y. Yamauchi, Y. Sakuma, T. Sekiguchi, T. Chikyow

    Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms   Vol. 242 ( 1-2 ) page: 250 - 252   2006.1

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    Publishing type:Research paper (international conference proceedings)  

    We have demonstrated a position controlled GaN nano-structure fabrication by ion beam mediated growth methods. For this fabrication, we used two different methods. One is the "droplet epitaxy" which is a micro-crystal growth from Ga droplet followed by nitridation. By this method, the GaN micro-crystals in about 800 nm were found to be grown and cathode luminescence in broad wavelength (400-600 nm) were observed. Another one is the focused ion beam assisted chemical vapor deposition. Ga precursor gas and atomic N radicals impinged onto the surface simultaneously during the irradiation. By this method, the GaN nano-crystals of 200 nm × 100 nm block with 50 nm height was fabricated and strong near-band edge emission at 3.37 eV from GaN were observed. From the obtained results, ion beam assisted chemical vapor deposition proved to be a promising method to make GaN nano-crystal arrays. © 2005 Elsevier B.V. All rights reserved.

    DOI: 10.1016/j.nimb.2005.08.130

    Scopus

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Presentations 6

  1. 物質空間テクトニクス:PCP/MOFの高次構造制御と機能開拓

    日本化学会 第104春季年会(2024)  2024.3.20 

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    Event date: 2024.3

  2. 導電性ナノ多孔体の創製

    日本化学会 第104春季年会(2024)  2024.3.18 

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    Event date: 2024.3

  3. 金属有機構造体の熱分解による炭素系複合材料の創製

    公益社団法人日本セラミックス協会 2024年年会  2024.3.15 

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    Event date: 2024.3

  4. 「超」ナノ空間触媒の創製

    第33 回キャラクタリゼーション講習会 「触媒および表面の解析に役立つキャラクタリゼーションの基礎と実際」  2023.12.20 

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    Event date: 2023.12

  5. 多孔体のパラダイムシフト:導電性ナノ多孔体の創製

    省エネルギーに貢献する粒子設計・粉体プロセスの薬工連携研究会  2023.10.6 

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    Event date: 2023.10

  6. 第二世代多孔体の開発:物質と空間のテクトニクス

    キャノン財団 第14回(2023年)研究助成贈呈式  2023.4.21 

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    Event date: 2023.4

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KAKENHI (Grants-in-Aid for Scientific Research) 21

  1. メソポーラスプラズモニック薄膜の合成と応用

    Grant number:22F20370  2022.4 - 2024.3

    日本学術振興会  科学研究費助成事業  特別研究員奨励費

    山内 悠輔, GUSELNIKOVA OLGA

  2. MOFを出発物質として用いた固体スーパーキャパシタ用新規電極材料の創製

    Grant number:21F20072  2021.9 - 2023.3

    日本学術振興会  科学研究費助成事業  特別研究員奨励費

    山内 悠輔, LIU SHUDE

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    We have been engaged in MOF-derived electrode materials as energy storage materials for solid-state flexible devices, aiming to promote the application in the field of intelligence and the development of sustainable energy. We have mainly focused on the effects of crystal structure, material morphology, and chemical defects (vacancies and doping) on electrode reaction kinetics, electron and charge transport at the electrode-electrolyte interface, and electrical properties.

  3. 新規ナノ多孔性金属電極を用いた携帯型電気化学癌診断プラットフォームの構築

    Grant number:21F20039  2021.9 - 2023.3

    日本学術振興会  科学研究費助成事業  特別研究員奨励費

    山内 悠輔, MASUD MOSTAFA KAMAL

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    The goal of this project was to develop an inexpensive, portable and automated system for rapid disease diagnosis by using novel metal nanoarchitectures.
    These projects are:
    a. Hydrogel integrated mesoporous gold chronocoulometric sensor for ultrasensitive detection of miRNA.
    - We fabricated mesoporous gold and integrated it with the hydrogel chemistry to harness the best intrinsic activity from the system to apply for microRNA sensing. The developed sensor provided a much easy, reusable, and highly sensitive microRNA sensor.
    b. Nanoarchitectured superparamagnetic iron oxide-doped mesoporous carbon nanozymes for biosensing.
    - We developed a superparamagnetic nano-enzyme that showed high potentiality for magnetic isolation and purification as well as nano-enzyme activity.

  4. MOFおよびその誘導体を用いた容量性脱イオン法による淡水化処理

    Grant number:20F20338  2020.11 - 2023.3

    日本学術振興会  科学研究費助成事業  特別研究員奨励費

    山内 悠輔, XU XINGTAO

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    In the past years, we have employed 2D substrates to construct metal-organic framework (MOF)-based nanoarchitectured materials on them and have achieved excellent CDI performances.
    <BR>
    Various 2D substrates such as MXene, ZIF-L, graphene, etc. were utilized, and we expanded this concept to other polymer systems beyond MOFs, covalent organic frameworks (COFs), and polymer-based materials such as conductive polymers.
    <BR>
    Besides, we also realized the interweaving of PANIs among MOF-based particles and prepared PANI-MOF nanoarchitectures. This material showed great potential for CDI applications.

  5. Biosensors using mesoporous films

    Grant number:19H02803  2019.4 - 2022.3

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research  Grant-in-Aid for Scientific Research (B)

    YAMAUCHI Yusuke

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    In our recent study, we have realized the world's first high-quality nanoporous metal (metal nanoporous material) using amphipathic molecules such as surfactants and block copolymers. This material possesses a porous body with high electrical conductivity whose skeleton is formed only from metal and is expected to be applied to an electrochemical system different from the conventional nanoporous inorganic oxide system. In this research, we further expanded these concepts and promoted their development in glucose sensors. In addition to aiming to develop a glucose sensor, we also aimed to construct a new theory by making the best use of the characteristics of metal nanoporous materials and understanding the correlation between physical properties and nanostructures. Finally, we developed a flexible device.

  6. 金属酸化物,及びリン酸塩を骨格に有する新規メソ多孔体の合成と応用

    Grant number:19F19070  2019.4 - 2021.3

    日本学術振興会  科学研究費助成事業  特別研究員奨励費

    山内 悠輔, BHANJA PIYALI

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    We synthesized a new microporous organic-inorganic hybrid nickel phosphonate (NiPPA) material under hydrothermal reaction condition without the use of structure directing agent. The microporous NiPPA material was converted to N, P-codoped nickel oxide (NP/NiO) and N, O-codoped nickel phosphide (NO/NiP) following pyrolysis under air and nitrogen atmospheres, respectively. These high surface area materials were subsequently explored as electrocatalysts towards oxygen evolution reaction (OER) in alkaline media. Among the three catalysts, NP/NiO exhibited the highest electrocatalytic activity for OER with an overpotential of 332 mV to reach a current density of 10 mA cm-2 and a low Tafel slope of 65.6 mV dec-1 in 1.0 M KOH solution. Furthermore, the as-prepared NP/NiO catalyst displayed an outstanding stability over a period of 15 h, suggesting the high durability of this catalyst for OER.

  7. 高エネルギー密度化に向けたナノ構造体有する新規電極材料の合成

    Grant number:18F18764  2018.7 - 2021.3

    日本学術振興会  科学研究費助成事業  特別研究員奨励費

    山内 悠輔, DING BING

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    The rational design and fabrication of ordered mesoporous materials with highly exposed surface area are of great significance to address the fundamental challenges in electrochemistry-related applications by providing more active sites and fast ion/gas diffusion channel. In FY 2020, a self-template method was applied to prepare novel nanoarchitectured carbon nanoplates by depositing resol-F127 micelles onto the surface of metal-organic-framework (MOF) nanosheets, followed by hydrothermal reaction and carbonization. The parameters influencing the morphology and microstructure of the resulting materials, i.e., the MOF-to-resol-F127 ratio and the concentration of resol-F127 micelles, were systematically investigated.

  8. 高度エネルギーデバイスに向けたメソ細孔有する層状ナノ物質の創製

    Grant number:18F18038  2018.7 - 2020.3

    日本学術振興会  科学研究費助成事業  特別研究員奨励費

    山内 悠輔, WANG JIE

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    In the last year of this JSPS, we focused on sandwich-structured ordered mesoporous polydopamine/MXene hybrids. Organic polymers have attracted significant interest as electrodes for energy storage devices because of their advantages, including molecular flexibility, cost-effectiveness, and environmentally friendly nature. Nevertheless, the real implementation of polymer-based electrodes is restricted by their poor stability, low capacity, and slow electron-transfer/ion diffusion kinetics. Herein, a sandwich-structured composite of ordered mesoporous polydopamine (OMPDA)/Ti3C2Tx was fabricated by in situ polymerization of dopamine on the surface of Ti3C2Tx via employing the PS-b-PEO block polymer as a soft template. The OMPDA layers with vertically oriented, accessible nanopores (around 20 nm) provided a continuous pore channel for ion diffusion, while the Ti3C2Tx layers guaranteed a fast electron-transfer path. As one of the potential applications, the OMPDA/Ti3C2Tx composite anode exhibited high reversible capacity, good rate performance, and excellent cyclability for lithium-ion batteries. The in situ transmission electron microscopy analysis revealed that the OMPDA in the composite only showed a small volume expansion and almost preserved the initial morphology during lithiation.
    This finding will provide valuable knowledge to tackle the challenges of the restacking of 2D materials, help to identify the most promising architecture and further improve the electrochemical performance of 2D materials.

  9. 様々な組成・構造を有するMOF関連物質の合成

    Grant number:17F17792  2017.11 - 2020.3

    日本学術振興会  科学研究費助成事業  特別研究員奨励費

    山内 悠輔, CAI ZEXING

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    Up to date we have developed several effective strategies to design and synthesize various porous nanostructures from MOFs. In this last stage of our JSPS project, we demonstrated some interesting chemical and physical properties of the obtained nanostructures.
    Hierarchical tubular-structured CoS2-MoS2/C as efficient electrocatalysts were fabricated through a unique metal-organic framework (MOF) mediated self-sacrificial templating. Core-shell structured MoO3@ZIF-67 nanorods were used both as a precursor and a sacrificial template to form the one-dimensional tubular heterostructure where vertically aligned two-dimensional CoS2-MoS2 nanosheets were formed on the MOF-derived carbon tube. Trace amounts of noble metals (Pd, Rh, and Ru) were successfully introduced to enhance the electrocatalytic property of the CoS2-MoS2/C nanocomposites.
    Overall, this MOF-mediated strategy can be extended to the rational design and synthesis of other hollow heterogeneous catalysts for scalable hydrogen generation.

  10. Exploring new solid interfaces of concave-type nanopores in metallic crystals

    Grant number:17K19044  2017.6 - 2019.3

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research  Grant-in-Aid for Challenging Research (Exploratory)

    Yamauchi Yusuke

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    Here we prepared new mesoporous platinum materials and investigated their performance as electrocatalysts. Mesoporous metals can be utilized in a wide range of electrochemical applications. In particular, the metal atoms exposed on pore surface can be expected to serve as active sites capable of greatly promoting catalytic reactions. In this experiment, various amphiphilic molecules were micellized in an aqueous solution, and then metal salts were dissolved. Finally, mesoporous metal thin films were electrodeposited on conductive substrates by electrochemical deposition. The chemical reduction method using a reducing agent was also available to prepare mesoporous powders. From the results by electron microscopes, it was found that unique crystal facets such as steps, kinks, etc. were often present on the exposed pore surface.

  11. キラルセンシングのためのキラル識別金属ナノ空間の構築

    Grant number:17H05393  2017.4 - 2019.3

    日本学術振興会  科学研究費助成事業  新学術領域研究(研究領域提案型)

    山内 悠輔

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    本研究では,メソポーラス金属にキラル選択性のある細孔表面を作り出し,キラルセンシングへの応用を目的としている.キラル認識は,電極表面のキラル認識部と認識対象となるキラル分子との親和力に鏡像体間で差が生じることから,認識に伴う出力信号の差をサイクリックボルタンメトリ(電気化学的な手法)により測定することで確認できる.具体的に実験では,メソポーラス金属の作製の際に,ブロックコポリマーを水溶液中でミセル化し,目的とする金属の金属塩類を溶解させた後,キラル分子をその溶液中に共存させ,金属の析出にそのキラル分子の転写を金属表面で行う.すなわち,それらの分子構造の転写された形(完全ではないものの)が金属骨格中に残る.このキラル分子転写した金属表面は,様々な生体物質のキラリティを判断することができることを確認した.
    <BR>
    さらに,異なる細孔径や壁厚など,用いる界面活性剤の種類・分子量や金属イオンの種類・量を調整することにより,様々なメソポーラス金属の合成に成功した.特に,合金化することで,グルコースやDOPAなどの生体関連物質の酸化反応を大幅に促進させることができた.
    <BR>
    また,リソグラフィー技術により,基板上に導電部位をパターンし,その上でのメソポーラス金属膜の成膜にも成功している.このようにパターンニングすることで,通常の薄膜よりも,ゲスト種がアクセスしやすい構造になっており,またデバイスの一部(検出部)として搭載することを考えた場合にも,非常に魅力的な構造と言える.また,高分子の薄膜を一層均一に塗布することで,食塩などの阻害物質の影響を抑えることにも成功し,実デバイスの設計を考えた上では重要な知見である.

  12. 様々な金属を用いたメソポーラスMetal Phosphonate物質の新合成

    Grant number:17F17047  2017.4 - 2018.3

    日本学術振興会  科学研究費助成事業  特別研究員奨励費

    山内 悠輔, PRAMANIK MALAY

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    In some cases, the obtained materials showed less-ordered/dis-ordered porous structure with the amorphous pore walls and less surface area, due to the lack of intermolecular interaction between aliphatic chains of phosphonic acid precursors. In this year, we designed new phosphonic acid sources with aromatic rings, and could increase effective interaction to realize highly mesostructural ordering and crystalized walls. Especially, we considered the interaction between surfactants, phosphonic acids, and metal precursors. We used cetyltrimethylammonium bromide (CTAB), oligomeric surfactants (C16EO10, C16EO20), and triblock copolymers (EO80PO30EO80, EO106PO70EO106, and EO20PO70EO20) as structure-directing agents. To remove the templates, as-prepared mesostructured samples were washed with solvents. After that, we carefully characterized the obtained mesoporous samples and we could find out the optimal synthetic conditions.

  13. MOFを出発原料として用いたキャパシタ用多孔質電極の合成

    Grant number:16F16722  2016.10 - 2019.3

    日本学術振興会  科学研究費助成事業  特別研究員奨励費

    山内 悠輔, KANETI YUSUF VALENTINO

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    This year's aim is to develop a general method for producing mesoporous oxide nanosheets using MOFs as sacrificial templates. We demonstrated the general preparation of mesoporous 2D metal-doped Co3O4 nanosheets using MOFs as templates/precursors, including Cu-BTC, Co-BTC, MOF-808 (Zr-BTC) and Fe-BTC. The resulting 2D metal-doped Co3O4 nanosheets exhibited relatively large specific surface areas of up to 120 m2 g-1 with narrow pore size distribution in the mesoporous range. More importantly, the pore size distribution could be controlled by adjusting the calcination temperature of the precursor nanosheets. When employed as electrocatalysts for OER, the Fe-doped Co3O4 nanosheets derived from Fe-BTC exhibited high performance.

  14. ハロゲン化鉛ペロブスカイトメソ多孔体の合成

    Grant number:16F16050  2016.4 - 2018.3

    日本学術振興会  科学研究費助成事業  特別研究員奨励費

    山内 悠輔, MALGRAS VICTOR

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    Mainly we carried the research on mesoporous template/perovskite composite using thin film technology. More precisely, we synthesized film with hierarchical pore structures (8 and 3 nm diameters), which greatly enhances the precursor solution penetration through the template. The composite has a high concentration of small crystals (3 nm) which dominates the optical properties. Strong quantum confinement is observed as well as increased photoluminescence quantum efficiency. These preliminary results are encouraging for future works related to integration of such composite in light emitting devices.

  15. エネルギー変換のための新規カーボン電極触媒の開発

    Grant number:15F15766  2015.11 - 2018.3

    日本学術振興会  科学研究費助成事業  特別研究員奨励費

    山内 悠輔, WANG ZHONGLI

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    We successfully applied redox units of polyaniline (PAni) to in-situ cooperatively assemble highly active Ru nanoclusters in a hierarchically-ordered carbon electrode. There is a selective ion-bonding effect in the redox units of PAni that the oxidized quinonoid imine (QI) can strongly bond Ru complex ions whereas the reduced benzenoid amine (BA) cannot. By optimizing the ratio of QI to BA, Ru complexes were spatially confined in the outer layer of the PAni framework. Carbonization of Ru-PAni hybrid induced nucleation in the outer surface of the carbon support, generating nearly monodisperse Ru nanoclusters. The catalyst had only 2 wt% loading of Ru, but exhibited an ultrahigh mass activity for the hydrogen evolution reaction that is 7 times better than commercial Pt/C catalyst.

  16. Asymmetric catalytic activities of porous Pt films

    Grant number:26870593  2014.4 - 2017.3

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research  Grant-in-Aid for Young Scientists (B)

    Matsunaga Mariko, YAMAUCHI Yusuke, KAJI Kohei, AOYAMA Hiroyuki, ENDO Michinori, Matsuzawa Takuya

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    In this study, asymmetric catalytic activities of porous Pt electrodes baring high-index surfaces for electrochemical reactions of chiral compounds were invesitgated to indicate a guidance for preparation of high-performance asymmetric catalysis, or chiral sensors. For this purpose, enantioselectivity in electrochemical reactions were evaluated by electrochemical methods by changing substrates, target chiral molecules, kinds of metal, preparation process of the porous electrodes, and solution conditions. By these investigations, the capablity of chiral recognition using the porous bare metals was firstly demonstrated. The chiral sensing method using electrochemical methods was applied for a patent.

  17. Electrochemical synthesis of nanoporous metals and their applications

    Grant number:26708028  2014.4 - 2017.3

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research  Grant-in-Aid for Young Scientists (A)

    Yamauchi Yusuke

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    In this project, we propose new synthetic way for reducing the use of Pt in a catalytic system by increasing the surface area and modifying the Pt surface structure (i.e., alloying). Several types of mesoporous Pt films with different pore sizes ranging from 5 to 50 nm are prepared by electrochemical plating in aqueous surfactant solutions. Interestingly, the atomic crystallinity in the pore walls is coherently extending across over several mesopores, showing a large number of atomic steps. These can serve as active sites for electrochemical reactions. As a result, our mesoporous Pt and Pt-based alloys exhibit high potentiality as a superior electrocatalyst.

  18. ナノ構造制御された金属電極材料のテーラード・デザイン

    Grant number:13F03505  2013.4 - 2016.3

    日本学術振興会  科学研究費助成事業  特別研究員奨励費

    山内 悠輔, LI CUILING, LI Cuiling

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    Introduction of mesoporous structures to the sensitive materials of self-powered nanosystems can be expected to be as a new direction in the fabrication of self-powered nanodevices with superior performance and low cost. Based on the experiences in the fabrication of porous materials and the sensing applications, I put great efforts on developing novel porous materials by using new concepts.I reported the first success on the fabrication of mesoporous Au films by using a 'polymeric micelle' approach, and a highly enhanced sensing performance was realized by using the mesoporous Au film. Mesooporous Au films with tunable pore size in the range of 10 to 60 nm were firstly obtained by using the reliable soft-templating approach. When light is incident on the mesoporous Au films, the electrons oscillate collectively, a so-called plasmon, and this greatly enhances the electromagnetic field . According to Babinet's principle in optics, the inverse structure, a mesoporous film, should lead to similar local electromagnetic field enhancements. In this work we found mesospace stimulated optical effects of the mesoporous Au films, which shed new light on the tailoring the optical functionality. From Apr. 2015 to the end of my JSPS period, I have published several papers in top journals, including Nature Commnunications, The Journal of American Chemical Society, and Nano Research. All of the publications are highlighted by both peer researchers and the academic media.

  19. 新しいブロックコポリマーを用いた機能性中空ナノ粒子の合成とその応用

    Grant number:13F03204  2013.4 - 2015.3

    日本学術振興会  科学研究費助成事業  特別研究員奨励費

    山内 悠輔, BASTAKOTI Bishnu

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    両親媒性の特徴を有し,分子量の比較的大きなブロックコポリマーを用いて,溶液中で安定な球状ミセルを形成させた.これらのミセルは,通常の低分子ミセルとは異なり,超希薄溶液中であっても,ミセル形状が安定に保持できることがわかった.このような特徴を活かし,無機種の化学反応をミセル上で進行させることで,様々な金属酸化物,金属の組成からなる中空粒子,またナノ多孔体の合成を行った.中空粒子は,内部に空間を有しており,そこに様々な物質,分子を導入することが可能であり,環境触媒,医療材料への展開が大いに期待できる.

  20. Synthesis of mesoporous metals by molecular templates

    Grant number:22750193  2010 - 2011

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research  Grant-in-Aid for Young Scientists (B)

    YAMAUCHI Yusuke

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    The research on mesoporous materials, conducted mainly by using surfactant assemblies as templates, has been increasing rapidly. Mesoporous metals with high electroconductivity and high surface area have attracted particular interest for very wide range of applications such as batteries, fuel cells, solar cells, and chemical sensors. Although several mesoporous metals have been prepared in the past, the rational design of highly ordered mesoporous metals with controlled compositions and morphologies is a challenging topic. In this project, we would like to propose new ways to solve the above issue.

  21. Synthesis and Practical Applications of Novel Mesopoorus Metals

    Grant number:19850031  2007 - 2008

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research  Grant-in-Aid for Young Scientists (Start-up)

    YAMAUCHI Yusuke

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