研究者詳細 - 山口　茂弘

論文 - 山口　茂弘

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General synthesis of extended fused oligothiophenes consisting of an even number of thiophene rings

Okamoto Toshihiro, Kudoh Kenichi, Wakamiya Atsushi, Yamaguchi Shigehiro

CHEMISTRY-A EUROPEAN JOURNAL 13 巻 ( 2 ) 頁： 548 - 556 2007年

Field effect transistors of single crystal benzo-annulated fused oligothiophenes and oligoselenophenes 査読有り

Y. Tominari, K. Yamada, M. Yamagishi, Jun Takeya, T. Okamoto, K. Kudoh, A. Wakamiya, S. Yamaguchi

Materials Research Society Symposium Proceedings 1003 巻頁： 112 - 117 2007年

掲載種別：研究論文（国際会議プロシーディングス）

Recently synthesized benzo-annulated fused oligothiophenes and oligoselenophenes are introduced as air-stable organic semiconductors for high-performance organic field-effect transistors. To evaluate electronic mobility intrinsic to the materials, single-crystal transistors are prepared for two representative compounds of benzo-annulated pentathienoacene f-B5TB and its selenium analogue f-BT3STB. High mobility of more than 1 cm2/Vs is achieved for the selenium compound, due to its considerable Se- - -Se orbital interactions. The transistor performances have been stable for two months, indicating high duration of the compound in the ambient atmosphere. Copyright © 2007 Materials Research Society.

Scopus

Highly emissive organic solids containing 2,5-diboryl-1,4-phenylene unit

Zhao Cui-Hua, Wakamiya Atsushi, Inukai Yuko, Yamaguchi Shigehiro

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY 128 巻 ( 50 ) 頁： 15934 - 15935 2006年12月

High fidelity self-sorting assembling of meso-cinchomeronimide appended meso-meso linked Zn(II) diporphyrins.

Kamada T, Aratani N, Ikeda T, Shibata N, Higuchi Y, Wakamiya A, Yamaguchi S, Kim KS, Yoon ZS, Kim D, Osuka A

Journal of the American Chemical Society 128 巻 ( 23 ) 頁： 7670 - 7678 2006年6月

Reactions of fused polycyclic 1,2-dithiins with transition metals: Synthesis of heteroacenes via desulfurization

Kudoh K, Okamoto T, Yamaguchi S

ORGANOMETALLICS 25 巻 ( 9 ) 頁： 2374 - 2377 2006年4月

Ladder pi-conjugated materials with main group elements

Yamaguchi S, Xu CH, Okamoto T

PURE AND APPLIED CHEMISTRY 78 巻 ( 4 ) 頁： 721 - 730 2006年4月

Intramolecular B-N Coordination as a New Scaffold for Design of Electron Transporting Materials: Synthesis and Properties of Boryl-Substituted Thienylthiazoles

A. Wakamiya, T. Taniguchi, and S. Yamaguchi

Angew. Chem. Int. Ed. 45 巻頁： 3170-3173 2006年

Highly Emissive Organic Solids Containing 2,5-Diboryl-1,4-Phenylene Unit

C. -H. Zhao, A. Wakamiya, Y. Inukai, and S. Yamaguchi

J. Am. Chem. Soc. 128 巻頁： 15934-15935 2006年

Highly Fidelity Self-Sorting Assembling of meso-Cinchomeronimide Appended meso-meso Linked Zn(II) Diporphyrins

T. Kamada, N. Aratani, T. Ikeda, N. Shibata, Y. Higuchi, A. Wakamiya, S. Yamaguchi, K. S. Kim, Z. S. Yoon, D. Kim, A. Osuka

J. Am. Chem. Soc. 128 巻頁： 7670-7678 2006年

Reactions of Fused Polycyclic 1,2-Dithiins with Transiton Metals: Synthesis of Heteroacenes via Desulfurization

K. Kudoh, T. Okamoto, and S. Yamaguchi

Organometallics 25 巻頁： 2374-2377 2006年

Boron as a Key Component for New pi Electron Materials

S. Yamaguchi and A. Wakamiya

Pure Appl. Chem. 78 巻頁： 1413-1424 2006年

Ladder pi-Conjugated Materials with Main Group Elements

S. Yamaguchi, C. Xu, and T. Okamoto

Pure Appl. Chem. 78 巻頁： 721-730 2006年

Boron as a Key Component for New pi Electron Materials

S. Yamaguchi, A. Wakamiya

Pure Appl. Chem. 78 巻頁： 1413-1424 2006年

Intramolecular B-N coordination as a scaffold for electron-transporting materials: Synthesis and properties of boryl-substituted thienylthiazoles

Wakamiya Atsushi, Taniguchi Takuhiro, Yamaguchi Shigehiro

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION 45 巻 ( 19 ) 頁： 3170 - 3173 2006年

Synthesis and photophysical properties of new π-electron systems containing boryl groups at the side positions 査読有り

A. Wakamiya, C.-H. Zhao, K. Mori, S. Yamaguchi

Polymer Preprints, Japan 55 巻 ( 2 ) 頁： 3023 - 3024 2006年

Synthesis, structures, and photophysical properties of silicon and carbon-bridged ladder oligo(p-phenylenevinylene)s and related pi-electron systems

Yamaguchi S, Xu CH, Yamada H, Wakamiya A

JOURNAL OF ORGANOMETALLIC CHEMISTRY 690 巻 ( 23 ) 頁： 5365 - 5377 2005年11月

General synthesis of thiophene and selenophene-based heteroacenes

Okamoto T, Kudoh K, Wakamiya A, Yamaguchi S

ORGANIC LETTERS 7 巻 ( 23 ) 頁： 5301 - 5304 2005年11月

The chemistry of silicon-containing ladder pi-conjugated systems

Yamaguchi S, Xu CH

JOURNAL OF SYNTHETIC ORGANIC CHEMISTRY JAPAN 63 巻 ( 11 ) 頁： 1115 - 1123 2005年11月

The chemistry of silicon-containing ladder pi-conjugated systems

S Yamaguchi, CH Xu

JOURNAL OF SYNTHETIC ORGANIC CHEMISTRY JAPAN 63 巻 ( 11 ) 頁： 1115 - 1123 2005年11月

記述言語：英語掲載種別：研究論文（学術雑誌）出版者・発行元：SOC SYNTHETIC ORGANIC CHEM JPN

The intramolecular reductive cyclization of bis(o-silylphenyl)acetylenes with lithium naphthalenide produces bis-silicon-bridged stilbenes. Based on this new cyclization, a series of silicon-bridged ladder pi-conjugated systems consisting of the p-phenylenevinylene framework have been synthesized, including the partially or fully silicon-bridged bis (styryl) benzenes, extended ladder oligo(p-phenylenevinylene)s, and bis-silicon-bridged stilbene-based pi-conjugated polymers. All the ladder pi-electron systems show intense fluorescence in the visible region. The detailed elucidation of their photophysical properties revealed the significant effect of the silicon moieties on the fluorescence properties.

Web of Science

Toward pi-conjugated molecule bundles: Synthesis of a series of B,B ',B ''-trianthryl-N,N ',N ''-triarylborazines and the bundle effects on their properties

Wakamiya A, Ide T, Yamaguchi S

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY 127 巻 ( 42 ) 頁： 14859 - 14866 2005年10月

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