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J-GLOBAL ID：201401098650852409 Update date: Apr. 19, 2025

Takeya Jun

タケヤジュンイチ | Takeya Jun

Affiliation and department：
Job title：教授
Homepage URL (1)： http://kaken.nii.ac.jp/d/r/20371289.ja.html

Research field (4)： Crystal engineering , Applied materials , Electronic devices and equipment , Basic physical chemistry

Research keywords (30)：有機半導体 , 有機トランジスタ , 電子輸送特性 , 有機電界効果トランジスタ , 有機単結晶トランジスタ , 電界効果 , 分子性固体 , 表面・界面物性 , 微小単結晶 , ホール効果 , 電子デバイス , 熱伝導率 , 輸送特性 , ソフト化学反応 , 有機分子 , 合成化学 , 有機単結晶 , ルブレン , 仕事関数 , 有機半導体単結晶 , キャリア易動度 , 有機薄膜 , 電場変調分光 , 電荷注入 , 多重反射 , 両極性伝導 , トランジスタ , 有機ゲート絶縁膜 , SAMs , 金属界面

Research theme for competitive and other funds (24)：

2022 - 2027 Electronic phase tuning in organic two-dimensional hole-gas system and organic quantum electronics
2022 - 2025 Electronic phase control of two-dimensional hole gas in organic semiconductors
2020 - 2025 High Performance Sensor Systems with Recognition-Relay Doping
2017 - 2022 Giant strain effect of charge transport in organic single-crystal semiconductors and flexible mechano-electronics
2017 - 2020 Realization of spin transistor using organic single crystal semiconductor

2017 - 2018 単結晶有機半導体中電子伝導の巨大応力歪効果とデバイス応用

2014 - 2018 Direct observations of channel regions of electric double layer transistor using atomic force microsocopy

2014 - 2017 Molecular scale understanding of dissolution/precipitation processes of organic crystal to ionic liquid

2014 - 2017 Development of High Performance Organic Light-Emitting Transistor Materials for Print Process

2014 - 2017 Elucidation of mechanism for low contact resistance in organic transistors and development of high speed device

2014 - 2017 Elucidating structure-property relations under mechanical strain in organic semiconductors for device applications

2014 - 2016 印刷できるLSI用有機単結晶半導体トランジスタの物理モデル開発

2013 - 2016 Creation of high performance, high thermally durable, and solution processable organic semiconductors based on bent-shaped pi-electron cores

2012 - 2016 High-frequency measurements of organic semiconductor channels utilizing 3-dimensional organic transistors toward the developments of high-speed transistors.

2009 - 2014 Control of Electronic Properties of Materials Using Ultrahigh Electric Field at Electrochemical Interfaces

2010 - 2012 Functions and physics of organic single-crystal interfaces

2010 - 2012 Molecular structure and carrier dynamics at the interface betweenorganic semiconductor and insulator

2009 - 2011 Evaluation of Microscopic Properties and Elucidation of Charge-Trapping Mechanism of Organic Transistors with Electron Spin Resonance

2009 - 2010 有機半導体π電子系の3次元電界効果トランジスタ

2009 - 2010 究極の低消費電力高移動度フレキシブル有機単結晶トランジスタの創製

2007 - 2009 Layered hybrids of organic single-crystal films and applications of their functions to devices

2005 - 2009 Interface control and carrier transport in molecular materials

2006 - 2007 有機半導体単結晶電界効果トランジスタの低温キャリア伝導度測定

2004 - 2006 層状遷移金属化合物を母体としたソフト化学生成物質における電子輸送特性の精密測定

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Papers (366)：

Shohei Kumagai, Takeru Koguma, Yutaro Arai, Go Watanabe, Hiroyuki Ishii, Jun Takeya, Toshihiro Okamoto. Phenyl- <i>versus</i> cyclohexyl-terminated substituents: comparative study on aggregated structures and electron-transport properties in n-type organic semiconductors. Molecular Systems Design & Engineering. 2025
Shuya Hakata, Hiroyuki Ishii, Hirokazu Takaki, Toshihiro Okamoto, Jun Takeya, Nobuhiko Kobayashi. The efficient method for searching stable structures in herringbone-phase organic semiconductors using density functional theory. Applied Physics Express. 2024
Yu Yamashita, Harumi Hayakawa, Pushi Wang, Tatsuyuki Makita, Shohei Kumagai, Shun Watanabe, Jun Takeya. Ion sensors based on organic semiconductors acting as quasi-reference electrodes. Proceedings of the National Academy of Sciences. 2024. 121. 40
Naoyuki Niitsu, Masato Mitani, Hiroyuki Ishii, Nobuhiko Kobayashi, Kenji Hirose, Shun Watanabe, Toshihiro Okamoto, Jun Takeya. Powder x-ray diffraction analysis with machine learning for organic-semiconductor crystal-structure determination. Applied Physics Letters. 2024
Yu Yamashita, Shinya Kohno, Elena Longhi, Samik Jhulki, Shohei Kumagai, Stephen Barlow, Seth R. Marder, Jun Takeya, Shun Watanabe. N-type molecular doping of a semicrystalline conjugated polymer through cation exchange. Communications Materials. 2024. 5. 1

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MISC (156)：

Shohei Kumagai, Tatsuyuki Makita, Shun Watanabe, Jun Takeya. Scalable printing of two-dimensional single crystals of organic semiconductors towards high-end device applications. Applied Physics Express. 2022. 15. 3
Toshihiro Okamoto, Craig P. Yu, Chikahiko Mitsui, Masakazu Yamagishi, Hiroyuki Ishii, Jun Takeya. Bent-Shaped p-Type Small-Molecule Organic Semiconductors: A Molecular Design Strategy for Next-Generation Practical Applications. JOURNAL OF THE AMERICAN CHEMICAL SOCIETY. 2020. 142. 20. 9083-9096
伊藤雅人, 山下侑, 山下侑, 森泰蔵, 森泰蔵, 竹谷純一, 竹谷純一, 渡邉峻一郎, 有賀克彦, 有賀克彦. High-Temperature Langmuir-Blodgett Method for Fabricating Uniaxially-Oriented, Ultra-Thin Films of Polymeric Semiconductors. 応用物理学会秋季学術講演会講演予稿集(CD-ROM). 2020. 81st
寺重翼, 丸池文哉, 大瀧貴史, 森本剛史, 宮本辰也, 貴田徳明, 鶴見淳人, 渡邉峻一郎, 岡本敏宏, 竹谷純一, et al. 光ポンプ・テラヘルツプローブ分光による有機半導体C₁₀-DNBDT-NWのキャリア伝導機構の研究 III. 日本物理学会講演概要集(CD-ROM). 2019. 74. 1
丸池文哉, 寺重翼, 宮本辰也, 貴田徳明, 鶴見淳人, 渡邉峻一郎, 渡邉峻一郎, 岡本敏宏, 岡本敏宏, 竹谷純一, et al. C₁₀-DNBDT-NW電界効果トランジスタの電荷変調分光 II. 日本物理学会講演概要集(CD-ROM). 2019. 74. 2

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Work history (1)：

2010 - 2012 Osaka University The Institute of Scientific and Industrial Research

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