Updated on 2026/10/14

写真a

 
OKADA Hiroshi
 
Organization
Institutes of Innovation for Future Society Institute of Materials Innovation Designated Lecturer
Title
Designated Lecturer

Research Areas 1

  1. Nanotechnology/Materials / Nanostructure chemistry

Awards 1

  1. 9th Osawa award

    2012.9   The Fullerenes, Nanotubes and Graphene Research Society   The Chemistry of Cation Endohedral Fullerene, [Li+@C60]

    Hiroshi Okada

 

Papers 24

  1. Characterization of electronic states in single-walled carbon nanotubes by near ambient pressure XPS

    Nishio Takahiro, Horio Masafumi, Hijikata Yoshimasa, Okada Hiroshi, Matsuo Yutaka, Matsuda Iwao, Ono Taisuke

    Abstract book of Annual Meeting of the Japan Society of Vacuum and Surface Science   Vol. 2025 ( 0 ) page: 2P29   2025

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    Language:English   Publisher:The Japan Society of Vacuum and Surface Science  

    <p>Single-walled carbon nanotubes(SWCNTs) are promising materials for flexible, lightweight electronic devices. However, previous studies have reported that under ambient environment the system tends to show p-type character due to a hole doping effect by oxygen or water adsorbed onto the surface, making it difficult to obtain the desired properties[1]. Then, it is required to evaluate the amount of the adsorbed oxygen and their electronic state of the SWCNTs under various environmental conditions quantitatively. In this study, we employed ambient pressure X-ray photoemission spectroscopy (AP-XPS) at NanoTerasu BL08U[2], which enables direct evaluation of the amount of absorbed oxygen and their electronic states of SWCNTs in an oxygen atmosphere. The figure below shows the XPS spectra obtained under two conditions: after heating in vacuum at 573 K (<2 x 10<sup>-6</sup> Pa) and cooling to below 373 K to establish the initial state, and during subsequently heating the sample in an oxygen atmosphere (0.1 kPa, 573 K). As a result of fitting of each spectrum, the oxygen-to-carbon ratio (O/C) was increased from 0.037 to 0.053 mol/mol, indicating approximately a 1.5-fold increase in adsorbed oxygen. Furthermore, a low-energy shift in the C1s peak was detected, which is considered to result from the Fermi energy shifting towards the valence band side due to p-type doping. These results confirm a tendency towards p-type behavior due to hole doping by adsorbed oxygen.</p><p></p><p>References</p><p>[1] T. Fujigaya <i>et al</i>., ACS Appl. Nano Mater. <b>2</b>, 4703−4710 (2019).</p><p>[2] T. Wada <i>et al</i>., Appl. Phys. Express <b>18</b>, 036504 (2025).</p>

    DOI: 10.14886/jvss.2025.0_2p29

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  2. Enhanced reactivity of Li<sup>+</sup>@C<sub>60</sub> toward thermal [2 + 2] cycloaddition by encapsulated Li<sup>+</sup> Lewis acid

    Hiroshi Ueno, Yu Yamazaki, Hiroshi Okada, Fuminori Misaizu, Ken Kokubo, Hidehiro Sakurai

    Beilstein Journal of Organic Chemistry   Vol. 20   page: 653 - 660   2024.3

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    Publishing type:Research paper (scientific journal)   Publisher:Beilstein Institut  

    Lithium ion-endohedral fullerene (Li<sup>+</sup>@C<sub>60</sub>), a member of the burgeoning family of ion-endohedral fullerenes, holds substantial promise for diverse applications owing to its distinctive ionic properties. Despite the high demand for precise property tuning through chemical modification, there have been only a few reports detailing synthetic protocols for the derivatization of this novel material. In this study, we report the synthesis of Li<sup>+</sup>@C<sub>60</sub> derivatives via the thermal [2 + 2] cycloaddition reaction of styrene derivatives, achieving significantly higher yields of monofunctionalized Li<sup>+</sup>@C<sub>60</sub> compared to previously reported reactions. Furthermore, by combining experimental and theoretical approaches, we clarified the range of applicable substrates for the thermal [2 + 2] cycloaddition of Li<sup>+</sup>@C<sub>60</sub>, highlighting the expanded scope of this straightforward and selective functionalization method.

    DOI: 10.3762/bjoc.20.58

    Other Link: https://www.beilstein-journals.org/bjoc/content/pdf/1860-5397-20-58.pdf

  3. Sequential click modification of a lithium-ion endohedral fullerene connecting small molecules through a dieneazide linker

    Shogo Fujiki, Takumi Takada, Shota Nagasawa, Hiroshi Okada, Yusuke Sasano, Eunsang Kwon, Yutaka Matsuo, Yoshiharu Iwabuchi

    CHEMICAL COMMUNICATIONS   Vol. 59 ( 9 ) page: 1237 - 1240   2023.1

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

    DOI: 10.1039/d2cc06301h

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  4. Direct Visualization of Nearly Free Electron States Formed by Superatom Molecular Orbitals in a Li@C60 Monolayer

    Naoya Sumi, Artem V. Kuklin, Hiroshi Ueno, Hiroshi Okada, Tomoyuki Ogawa, Kazuhiko Kawachi, Yasuhiko Kasama, Masahiro Sasaki, Pavel V. Avramov, Hans Ågren, Yoichi Yamada

    The Journal of Physical Chemistry Letters   Vol. 12 ( 32 ) page: 7812 - 7817   2021.8

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

    DOI: 10.1021/acs.jpclett.1c02246

  5. Anionic Fluorinated Zn-porphyrin Combined with Cationic Endohedral Li-fullerene for Long-Lived Photoinduced Charge Separation with Low Energy Loss

    Kazuhira Miwa, Shinobu Aoyagi, Takahiro Sasamori, Hiroshi Ueno, Hiroshi Okada, Kei Ohkubo

    The Journal of Physical Chemistry B   Vol. 125 ( 3 ) page: 918 - 925   2021.1

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

    DOI: 10.1021/acs.jpcb.0c10450

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  6. Solvation-Free Li+ Lewis Acid Enhancing Reaction: Kinetic Study of [5,6]-Li+@PCBM to [6,6]-Li+@PCBM

    Yue Ma, Hiroshi Ueno, Hiroshi Okada, Sergei Manzhos, Yutaka Matsuo

    Organic Letters   Vol. 22 ( 18 ) page: 7239 - 7243   2020.9

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

    DOI: 10.1021/acs.orglett.0c02570

  7. Synthesis and Characterization of Supramolecules of Li + @C60 and Fluorinated Porphyrins

    Kazuhira Miwa, Shinobu Aoyagi, Hiroshi Ueno, Hiroshi Okada, Kazuhiko Kawachi, Yasuhiko Kasama, Eunsang Kwon

    ECS Meeting Abstracts   Vol. MA2020-01 ( 9 ) page: 762 - 762   2020.5

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    Publishing type:Research paper (scientific journal)   Publisher:The Electrochemical Society  

    DOI: 10.1149/ma2020-019762mtgabs

    Other Link: https://iopscience.iop.org/article/10.1149/MA2020-019762mtgabs/pdf

  8. Chemical reduction of Li+@C60 by decamethylferrocene to produce neutral Li+@C60•– Reviewed

    Hiroshi Okada, Hiroshi Ueno, Yasuhiro Takabayashi, Takeshi Nakagawa, Martina Vrankić, John Arvanitidis, Tetsuro Kusamoto, Kosmas Prassides, Yutaka Matsuo

    Carbon   Vol. 153   page: 467 - 471   2019.11

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    Publishing type:Research paper (scientific journal)  

    DOI: 10.1016/j.carbon.2019.07.028

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  9. Controlled Redox of Lithium-Ion Endohedral Fullerene for Efficient and Stable Metal Electrode-Free Perovskite Solar Cells Reviewed

    Jeon Il, Shawky Ahmed, Lin Hao-Sheng, Seo Seungju, Okada Hiroshi, Lee Jin-Wook, Pa Amrita, Tan Shaun, Anisimov Anton, Kauppinen Esko I, Yang Yang, Manzhos Sergei, Maruyama Shigeo, Matsuo Yutaka

    JOURNAL OF THE AMERICAN CHEMICAL SOCIETY   Vol. 141 ( 42 ) page: 16553 - 16558   2019.10

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

    DOI: 10.1021/jacs.9b06418

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  10. Li@C-60 endohedral fullerene as a supraatomic dopant for C-60 electron-transporting layers promoting the efficiency of perovskite solar cells Reviewed

    Ueno Hiroshi, Jeon Il, Lin Hao-sheng, Thote Abhishek, Nakagawa Takafumi, Okada Hiroshi, Izawa Seiichiro, Hiramoto Masahiro, Daiguji Hirofumi, Maruyama Shigeo, Matsuo Yutaka

    CHEMICAL COMMUNICATIONS   Vol. 55 ( 79 ) page: 11837 - 11839   2019.10

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    Publishing type:Research paper (scientific journal)  

    DOI: 10.1039/c9cc06120g

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  11. Improved solubility of asymmetric tetraethynylporphyrin derivatives for solution-processed organic solar cells Reviewed

    Ogumi Keisuke, Nakagawa Takafumi, Okada Hiroshi, Matsuo Yutaka

    ORGANIC ELECTRONICS   Vol. 71   page: 50 - 57   2019.8

  12. Mechanochromism, Twisted/Folded Structure Determination, and Derivatization of (N-Phenylfluorenylidene)acridane Reviewed

    Matsuo Yutaka, Wang Ya, Ueno Hiroshi, Nakagawa Takafumi, Okada Hiroshi

    ANGEWANDTE CHEMIE-INTERNATIONAL EDITION   Vol. 58 ( 26 ) page: 8762 - 8767   2019.6

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    Publishing type:Research paper (scientific journal)  

    DOI: 10.1002/anie.201902636

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  13. Mechanochromism, Twisted/Folded Structure Determination, and Derivatization of (<i>N</i>‐Phenylfluorenylidene)acridane

    Yutaka Matsuo, Ya Wang, Hiroshi Ueno, Takafumi Nakagawa, Hiroshi Okada

    Angewandte Chemie   Vol. 131 ( 26 ) page: 8854 - 8859   2019.5

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

    Abstract

    (N‐Phenylfluorenylidene)acridane (Ph‐FA) compounds with electron‐withdrawing and ‐donating substituents (H, MeO, Ph, NO<sub>2</sub>, Br, F) at the para position of the phenyl group were successfully synthesized by Barton–Kellogg reactions of N‐aryl thioacridones and diazofluorene. By using the substituent on the nitrogen atom to alter the electronic properties, both the folded and twisted conformers of p‐NO<sub>2</sub>‐C<sub>6</sub>H<sub>4</sub>‐FA could be crystallographically characterized, which enabled the charge transfer from the electron‐donating acridane moiety to the electron‐accepting fluorenylidene moiety to be understood. Ground‐state mechanochromism, thermochromism, vapochromism, and proton‐induced chromism were demonstrated between the folded and twisted conformations of the conformers. Protonation and chemical oxidation of Ph‐FA gave two stable acridinium compounds, namely, the fluorenylacridinium and acridinium radical cations. The present study will contribute to the development of functional dyes and organic semiconductors.

    DOI: 10.1002/ange.201902636

    Other Link: https://onlinelibrary.wiley.com/doi/full-xml/10.1002/ange.201902636

  14. Synthesis of Benzothieno[60]fullerenes through Fullerenyl Cation Intermediates Reviewed

    Matsuo Yutaka, Yu Yun, Yang Xiao-Yu, Ueno Hiroshi, Okada Hiroshi, Shibuya Hiromasa, Choi Yeong Suk, Jin Yong Wan

    JOURNAL OF ORGANIC CHEMISTRY   Vol. 84 ( 10 ) page: 6270 - 6277   2019.5

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    Publishing type:Research paper (scientific journal)  

    DOI: 10.1021/acs.joc.9b00549

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  15. Highly soluble C-2v-symmetrical fullerene derivatives: efficient synthesis, characterization, and electrochemical study Reviewed

    Ma Yue, Uchiyama Kouya, Ueno Hiroshi, Okada Hiroshi, Moriyama Hiroshi, Matsuo Yutaka

    ORGANIC CHEMISTRY FRONTIERS   Vol. 6 ( 9 ) page: 1372 - 1377   2019.5

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    Publishing type:Research paper (scientific journal)  

    DOI: 10.1039/c9qo00056a

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  16. Star-shaped magnesium tetraethynylporphyrin bearing four peripheral electron-accepting diketopyrrolopyrrole functionalities for organic solar cells Reviewed

    Wang Huan, Yue Qihui, Nakagawa Takafumi, Zieleniewska Anna, Okada Hiroshi, Ogumi Keisuke, Ueno Hiroshi, Guldi Dirk M, Zhu Xiaozhang, Matsuo Yutaka

    JOURNAL OF MATERIALS CHEMISTRY A   Vol. 7 ( 8 ) page: 4072 - 4083   2019.2

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    Publishing type:Research paper (scientific journal)  

    DOI: 10.1039/c8ta10710f

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  17. Reduced Knoevenagel Reaction of Acetetracenylene-1,2-dione with Acceptor Units for Luminescent Tetracene Derivatives Reviewed

    Matsuo Yutaka, Yu Chu-Guo, Nakagawa Takafumi, Okada Hiroshi, Ueno Hiroshi, Sun Tian-Ge, Zhong Yu-Wu

    JOURNAL OF ORGANIC CHEMISTRY   Vol. 84 ( 4 ) page: 2339 - 2345   2019.2

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    Publishing type:Research paper (scientific journal)  

    DOI: 10.1021/acs.joc.8b03083

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  18. Magnesium Tetra(phenylethynyl)porphyrin: Stepwise Synthetic Route, Crystal Structures, and Longer Singlet Excited-State Lifetime than Zinc Congener Reviewed

    Nakagawa Takafumi, Wang Huan, Zieleniewska Anna, Okada Hiroshi, Aoyagi Shinobu, Guldi Dirk M, Matsuo Yutaka

    CHEMISTRY-AN ASIAN JOURNAL   Vol. 13 ( 20 ) page: 3032 - 3039   2018.10

  19. Polymeric acid-doped transparent carbon nanotube electrodes for organic solar cells with the longest doping durability Reviewed

    Jeon Il, Delacou Clement, Okada Hiroshi, Morse Graham E, Han Tae-Hee, Sato Yuta, Anisimov Anton, Suenaga Kazu, Kauppinen Esko I, Maruyama Shigeo, Matsuo Yutaka

    JOURNAL OF MATERIALS CHEMISTRY A   Vol. 6 ( 30 ) page: 14553 - 14559   2018.8

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

    DOI: 10.1039/c8ta03383h

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  20. Structure of [60]fullerene with a mobile lithium cation inside Reviewed

    Aoyagi Shinobu, Miwa Kazuhira, Ueno Hiroshi, Okada Hiroshi, Matsuo Yutaka, Kokubo Ken

    ROYAL SOCIETY OPEN SCIENCE   Vol. 5 ( 7 )   2018.7

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    Publishing type:Research paper (scientific journal)  

    DOI: 10.1098/rsos.180337

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  21. Lithium-Ion Endohedral Fullerene (Li+@C60) Dopants in Stable Perovskite Solar Cells Induce Instant Doping and Anti-Oxidation Reviewed

    Il Jeon, Hiroshi Ueno, Seungju Seo, Kerttu Aitola, Ryosuke Nishikubo, Akinori Saeki, Hiroshi Okada, Gerrit Boschloo, Shigeo Maruyama, Yutaka Matsuo

    Angewandte Chemie - International Edition   Vol. 57 ( 17 ) page: 4607 - 4611   2018.4

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    DOI: 10.1002/anie.201800816

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  22. Lithium-Ion Endohedral Fullerene (Li+ @C60 ) Dopants in Stable Perovskite Solar Cells Induce Instant Doping and Anti-Oxidation Reviewed

    Il Jeon, Hiroshi Ueno, Seungju Seo, Kerttu Aitola, Ryosuke Nishikubo, Akinori Saeki, Hiroshi Okada, Gerrit Boschloo, Shigeo Maruyama, Yutaka Matsuo

    Angewandte Chemie   Vol. 130 ( 17 ) page: 4697 - 4701   2018.4

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

    DOI: 10.1002/ange.201800816

  23. Tunneling Motion and Antiferroelectric Ordering of Lithium Cations Trapped inside Carbon Cages Reviewed

    Shinobu Aoyagi, Akio Tokumitu, Kunihisa Sugimoto, Hiroshi Okada, Norihisa Hoshino, Tomoyuki Akutagawa

    JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN   Vol. 85 ( 9 )   2016.9

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

    DOI: 10.7566/JPSJ.85.094605

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  24. 27aCC-10 Structure and phase transition of [Li@C_<60>](PF_6)

    Aoyagi S., Sado Y., Nishibori E., Sawa H., Okada H., Tobita H., Kasama Y., Kitaura R., Shinohara H.

    Meeting Abstracts of the Physical Society of Japan   Vol. 67 ( 0 ) page: 922 - 922   2012

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    Language:Japanese   Publisher:The Physical Society of Japan  

    DOI: 10.11316/jpsgaiyo.67.1.4.0_922_1

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▼display all

Books 1

  1. Endohedral lithium-containing fullerenes : preparation, derivatization, and application

    松尾 豊, Okada Hiroshi, Ueno Hiroshi

    Springer  2017  ( ISBN:9789811050039 )

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    Language:English

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MISC 40

  1. Li@C<sub>60</sub>:C<sub>60</sub> hybrid n-type semiconductor for perovskite solar cell

    上野裕, 上野裕, JEON Il, LIN Hao-sheng, THOTE Abhishek, 中川貴文, 岡田洋史, 伊澤誠一郎, 平本昌宏, 大宮司啓文, 丸山茂夫, 松尾豊, 松尾豊

    日本化学会春季年会講演予稿集(CD-ROM)   Vol. 100th   2020

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  2. 溶解性の向上を目的とした非対称ポルフィリン誘導体の合成と有機薄膜太陽電池への応用

    小汲佳祐, 中川貴文, 岡田洋史, 松尾豊, 松尾豊

    応用物理学会秋季学術講演会講演予稿集(CD-ROM)   Vol. 80th   page: ROMBUNNO.20a‐PB2‐45   2019.9

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    J-GLOBAL

  3. 4つのDPPテトラエチニル基で架橋されたマグネシウムポルフィリンの合成とその太陽電池特性

    中川貴文, WANG Huan, YUE Qihui, ZIELENIEWSKA Anna, 岡田洋史, 小汲佳祐, 上野裕, GULDI Dirk M, ZHU Xiaozhang, 松尾豊, 松尾豊

    応用物理学会春季学術講演会講演予稿集(CD-ROM)   Vol. 66th   page: ROMBUNNO.10a‐PB1‐9   2019.2

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  4. リチウムイオン内包フラーレンと有機小分子の簡便連結法の開発

    高田拓実, 長澤翔太, 笹野裕介, 岡田洋史, 權垠相, 松尾豊, 岩渕好治

    日本薬学会年会要旨集(CD-ROM)   Vol. 139th   page: ROMBUNNO.21M‐pm05   2019

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  5. Fabrication of Li@C60 film for in-situ observation of SAMO

    Sumi N, Ueno H, Okada H, Sasaki M, Kawachi K, Kasama K, Yamda Y

    Abstract book of Annual Meeting of the Japan Society of Vacuum and Surface Science   Vol. 2019 ( 0 )   2019

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    Language:Japanese   Publisher:The Japan Society of Vacuum and Surface Science  

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  6. N‐フェニル置換フルオレニリデン‐アクリダンの合成,構造と基底状態メカノクロミズム

    松尾豊, 松尾豊, WANG Ya, 上野裕, 中川貴文, 岡田洋史

    基礎有機化学討論会要旨集   Vol. 29th   page: 12   2018.9

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  7. テトラエチニルフェニルマグネシウムポルフィリンの合成と機能開発

    中川貴文, WANG Huan, ZIELENIEWSKA Anna, 岡田洋史, 青柳忍, GULDI Dirk M, 松尾豊, 松尾豊

    基礎有機化学討論会要旨集   Vol. 29th   page: 136   2018.9

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  8. 抗酸化性リチウム内包フラーレンによるペロブスカイト太陽電池の安定性向上

    上野裕, JEON Il, SEO Seungju, 岡田洋史, 丸山茂夫, 丸山茂夫, 松尾豊, 松尾豊

    基礎有機化学討論会要旨集   Vol. 29th   page: 167   2018.9

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  9. フルオレニリデン‐アクリダンの合成,構造と基底状態メカノクロミズム

    松尾豊, 松尾豊, WANG Ya, 中川貴文, 岡田洋史, 上野裕

    日本化学会春季年会講演予稿集(CD-ROM)   Vol. 98th   page: ROMBUNNO.1PC‐096   2018.3

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  10. 低分子有機薄膜太陽電池向け新規マグネシウムポルフィリン誘導体

    小汲佳祐, 中川貴文, 岡田洋史, 松尾豊, 松尾豊

    電気化学秋季大会講演要旨集(CD‐ROM)   Vol. 2017   page: ROMBUNNO.2L11   2017.8

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  11. TIPSマグネシウムポルフィリンを前駆体としたポルフィリン誘導体の合成と光電変換特性

    中川貴文, 小汲佳祐, 岡田洋史, WANG Huan, 松尾豊, 松尾豊

    応用物理学会秋季学術講演会講演予稿集(CD-ROM)   Vol. 78th   page: ROMBUNNO.5p‐PA3‐10   2017.8

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  12. ローバンドギャップマグネシウムポルフィリン錯体の合成と有機太陽電池への応用

    中川貴文, 小汲佳祐, 岡田洋史, 松尾豊, 松尾豊

    応用物理学会秋季学術講演会講演予稿集(CD-ROM)   Vol. 78th   page: ROMBUNNO.6a‐A501‐3   2017.8

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  13. Endohedral Lithium-containing Fullerenes Reviewed

    Yutaka Matsuo, Hiroshi Okada, Hiroshi Ueno

    Endohedral Lithium-containing Fullerenes: Preparation, Derivatization, and Application     page: 1 - 140   2017.7

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    Publisher:Springer Singapore  

    DOI: 10.1007/978-981-10-5004-6

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  14. フラーレンカチオンを利用した五員環フラーレン誘導体の合成とその有機薄膜太陽電池の作製

    中川貴文, 小汲佳祐, 岡田洋史, 松尾豊, 松尾豊

    応用物理学会春季学術講演会講演予稿集(CD-ROM)   Vol. 64th   page: ROMBUNNO.16p‐P6‐5   2017.3

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  15. 大環状オリゴチオフェン8量体とフラーレン類の作る土星型錯体の合成,構造および性質

    清水秀幸, 西長亨, 青柳忍, 岡田洋史, 松尾豊, 伊與田正彦

    有機典型元素化学討論会講演要旨集   Vol. 43rd   page: 52   2016.12

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  16. 7員環を有するフラーレン誘導体の合成と有機薄膜太陽電池への応用

    小汲佳祐, 中川貴文, 岡田洋史, 松尾豊

    TIRIクロスミーティング要旨集   Vol. 2016   page: 102   2016.6

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  17. ソフト化学的Li挿入によるアナターゼ型TaONへのキャリアドープ

    鈴木温, 鈴木温, 廣瀬靖, 廣瀬靖, 中尾祥一郎, 中川貴文, 岡田洋史, 松尾豊, 長谷川哲也, 長谷川哲也

    応用物理学会春季学術講演会講演予稿集(CD-ROM)   Vol. 63rd   page: ROMBUNNO.21A-H103-10   2016.3

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  18. 七員環を有するフラーレン誘導体の合成と有機太陽電池への応用

    中川貴文, 小汲佳祐, ZHANG Ying, 岡田洋史, 松尾豊

    応用物理学会春季学術講演会講演予稿集(CD-ROM)   Vol. 63rd   page: ROMBUNNO.19A-P5-7   2016.3

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  19. 次世代に輝く研究開発 リチウムイオン内包フラーレンとその化学

    岡田洋史, 松尾豊

    化学工業   Vol. 67 ( 1 ) page: 53 - 59   2016.1

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  20. Lithium-Ion-Encapsulated Fullerene and Its Chemistry

    岡田 洋史, 松尾 豊

    化學工業   Vol. 67 ( 1 ) page: 53 - 59   2016.1

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  21. フルオレニリデンアクリダンの合成と物性

    鈴木毅, 岡田洋史, 松尾豊

    日本化学会講演予稿集   Vol. 95th ( 4 ) page: 1075   2015.3

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  22. ベンゾチアジアゾールで架橋されたポルフィリン二量体の合成とその太陽電池特性

    中川貴文, 岡田洋史, 松尾豊

    応用物理学会春季学術講演会講演予稿集(CD-ROM)   Vol. 62nd   page: ROMBUNNO.12P-P7-10   2015.2

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  23. 配位溶媒による溶解度制御と長波長光吸収を目指した新規ポルフィリン誘導体の開発とその太陽電池特性

    中川貴文, 佐藤健成, 岡田洋史, 松尾豊

    応用物理学会秋季学術講演会講演予稿集(CD-ROM)   Vol. 75th   page: ROMBUNNO.18A-A1-6   2014.9

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  24. [Li@C<sub>60</sub>](PF<sub>6</sub>)の反強誘電的相転移

    青柳忍, 杉本邦久, 岡田洋史, 星野哲久, 芥川智行

    日本物理学会講演概要集   Vol. 69 ( 2 ) page: 621   2014.8

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  25. リチウムイオン内包PCBMフラーレンとアニオン性ポルフィリンの超分子における長寿命光誘起電荷分離状態生成

    川島雄樹, 大久保敬, 岡田洋史, 松尾豊, 福住俊一

    日本化学会講演予稿集   Vol. 94th ( 2 ) page: 290   2014.3

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  26. 9pAH-11 Antiferroelectric Phase Transition of [Li@C_<60>](PF_6)

    Aoyagi Shinobu, Sugimoto Kunihisa, Okada Hiroshi, Hoshino Norihisa, Akutagawa Tomoyuki

    Meeting Abstracts of the Physical Society of Japan   Vol. 69 ( 0 ) page: 621 - 621   2014

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  27. M<sup>+</sup>@C<sub>60</sub>(M=H,Li,Na,and K)の安定性と光学特性に関する第一原理計算

    野口良史, 杉野修, 岡田洋史, 松尾豊

    日本物理学会講演概要集   Vol. 68 ( 2 ) page: 741 - 741   2013.8

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  28. リチウムイオン内包フラーレンに対するシクロペンタジエンおよびジアゾアルカンの付加反応

    川上裕貴, 岡田洋史, 松尾豊

    基礎有機化学討論会要旨集   Vol. 24th   page: 496   2013.8

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  29. リチウムイオン内包フラーレンへのディールス・アルダー反応によるシクロペンタジエンの付加

    川上裕貴, 岡田洋史, 松尾豊

    日本化学会講演予稿集   Vol. 93rd ( 4 ) page: 1132   2013.3

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  30. 高効率有機薄膜太陽電池を求めて

    岡田洋史, 松尾豊

    化学と教育   Vol. 61 ( 2 ) page: 64 - 65   2013.2

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  31. 「Li@C<sub>60</sub>」(PF<sub>6</sub>)の構造と相転移

    青柳忍, 佐道祐貴, 西堀英治, 澤博, 岡田洋史, 飛田博実, 笠間泰彦, 北浦良, 篠原久典

    日本物理学会講演概要集   Vol. 67 ( 1 ) page: 922   2012.3

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  32. Li<sup>+</sup>内包フラーレン1電子還元体の電子構造

    秋山公男, 岡田洋史, 酒井健, 小野吉弘, 笠間泰彦, 飛田博実

    電子スピンサイエンス学会年会講演要旨集   Vol. 49th   page: 152 - 153   2010.11

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  33. リチウム内包[60]フラーレンが配位した遷移金属錯体の合成と構造

    渡邉孝仁, 伊藤正人, 小室貴士, 岡田洋史, 酒井健, 小野吉弘, 笠間泰彦, 飛田博実

    錯体化学討論会講演要旨集   Vol. 60th   page: 81   2010.9

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  34. リチウム内包C<sub>60</sub>フラーレンの構造と相転移

    青柳忍, 西堀英治, 北浦良, 岡田洋史, 酒井健, 小野吉弘, 笠間泰彦, 飛田博実, 篠原久典, 澤博

    日本物理学会講演概要集   Vol. 65 ( 2 ) page: 813   2010.8

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  35. 25aRA-5 Structure and phase transition of lithium encapsulated C_<60> fullerene

    Aoyagi S, Sawa H, Nishibori E, Kitaura R, Okada H, Sakai T, Ono Y, Kasama Y, Tobita H, Shinohara H

    Meeting Abstracts of the Physical Society of Japan   Vol. 65 ( 0 ) page: 813 - 813   2010

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    DOI: 10.11316/jpsgaiyo.65.2.4.0_813_3

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  36. リチウムプラズマを用いた新規C<sub>60</sub>フラーレンの合成と構造

    岡田洋史, 酒井健, 河地和彦, 表研次, 笠間泰彦, 横尾邦義, 小野昭一, 安東真理子, 前川英己, 秋山公男, 小室貴士, 飛田博実

    分子科学討論会講演要旨集(CD-ROM)   Vol. 1st   page: 4P001   2007.8

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  37. Development of the synthetic equivalents of chalcogenasilaferracyclopropanes

    岡田洋史, 岡崎雅明, 飛田博実

    日本化学会講演予稿集   Vol. 84th ( 1 ) page: 218   2004.3

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  38. Reactivity of complexes having an iron-silicon-phosphorus linkage toward ketones

    JUNG K A, 岡田洋史, 岡崎雅明, 飛田博実

    日本化学会講演予稿集   Vol. 83rd ( 1 ) page: 320   2003.3

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  39. Activation of Small Molecules by Silicon‐ and Chalcogen‐Coordinated Iron Complexes.

    岡田洋史, 岡崎雅明, 飛田博実, 荻野博

    日本化学会講演予稿集   Vol. 78th ( 1 ) page: 268   2000.3

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  40. 新規なテルロシリル鉄錯体の光反応による5元素(C,O,Si,Fe,Te)から構成される五員キレート環錯体の合成

    岡田洋史, 岡崎雅明, 飛田博実, 荻野博

    錯体化学討論会講演要旨集   Vol. 49th   page: 73   1999.9

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KAKENHI (Grants-in-Aid for Scientific Research) 3

  1. Ions within the confined space by carbon skeleton, and their salts

    Grant number:25K23545  2025.7 - 2027.3

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research  Grant-in-Aid for Research Activity Start-up

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    Authorship:Principal investigator 

    Grant amount:\2730000 ( Direct Cost: \2100000 、 Indirect Cost:\630000 )

  2. Development and application of organic n-type dopant using novel lithium-containing fullerene

    Grant number:17K04970  2017.4 - 2020.3

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research  Grant-in-Aid for Scientific Research (C)

    Okada Hiroshi

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    The properties of the Li@C60, which is consisted of lithium cation and anionic fullerene C60-, as dopant was investigated. We fabricated thin film of C60 containing Li@C60. In the film, by the electron doping from Li@C60 to C60 solid state, the controlling of Fermi level and career density was achieved. This result is first example of doping without disturbing the solid-state structure of organic semiconductor.

  3. Development of the Chemistry of Transition Metal Complexes UsingLithium Encapsulated Fullerene as a Ligand

    Grant number:23655046  2011 - 2012

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research  Grant-in-Aid for Challenging Exploratory Research

    TOBITA Hiromi, WATANABE Takahito, OKADA Hiroshi

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    As a chemical modification of lithium cation encapsulated fullerene, [Li+@C_<60>], introduction of an organic moiety was performed. We succeeded in synthesis, isolation, and crystal structure analysis of a PCBM-type compound, [Li+@PCBM]. Synthesis of polynuclear complexes having several transition metal fragments on the [Li+@C_<60>] cage was also performed. We succeeded in isolation of dinuclear and hexanuclear iridium complexes of [Li+@C60]. In the case of the hexanuclear complex, the structure was determined by single crystal X-ray structure analysis.