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J-GLOBAL ID：200901079702842704   Update date: Nov. 05, 2024

Sakamoto Kenji

サカモト ケンジ | Sakamoto Kenji
Affiliation and department：
National Institute for Materials Science Organic Nanomaterials Center

About National Institute for Materials Science Organic Nanomaterials Center


Job title： Senior Researcher
Homepage URL  (1)： https://samurai.nims.go.jp/profiles/sakamoto_kenji
Research field  (3)： Thin-film surfaces and interfaces ,  Crystal engineering ,  Applied materials
Research keywords  (8)： Organic light emitting diodes ,  STM light emission spectroscopy ,  Liquid crystals ,  Infrared absorption spectroscopy ,  Raman spectroscopy ,  Organic field-effect transistors ,  分子配向制御 ,  Molecular orientation control
Research theme for competitive and other funds  (18)：
  • 2020 - 2023 Importance of liquid crystallinity in realizing polymer-based organic field-effect transistors with high mobility and operational stability
  • 2017 - 2020 2D array of Dopant at the hetero interface of IV group semiconductors
  • 2013 - 2018 Improvement of polymer-based organic transistor performance by thin-film formation techniques utilizing liquid crystalline nature
  • 2009 - 2011 Nano-domain patterned photo-alignment layers for liquid crystal molecules
  • 2006 - 2008 Fabrication of nano-sheets with high performance and functionality by using photo-aligned films
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Papers (110)：
  • Takeshi Yasuda, Kenji Sakamoto. Current density-voltage characteristics of exciplex-type organic light-emitting diodes expressed by a simple analytic equation. Japanese Journal of Applied Physics. 2024
  • Kenji Sakamoto, Kirill Bulgarevich, Takeshi Yasuda, Takeo Minari, Masayuki Takeuchi. Origin of Intrinsic Operational Instability in Organic Field-Effect Transistors with Aligned High-Mobility Donor-Acceptor Copolymer Active Layers. Advanced Materials Technologies. 2024
  • Qingqing Sun, Chao Ma, Weipeng Li, Xiaomeng Li, Kenji Sakamoto, Xuying Liu, Akihiro Okamoto, Takeo Minari. Fully Printed Low-Voltage Field-Effect Transistor Biosensor Array for One-Drop Detection of Shewanella onedensis MR-1 Bacteria. ACS Applied Electronic Materials. 2023
  • Qingqing Sun, Tianqi Gao, Xiaomeng Li, Wanli Li, Xiaoqian Li, Kenji Sakamoto, Yong Wang, Lingying Li, Masayuki Kanehara, Chuan Liu, et al. Layer-By-Layer Printing Strategy for High-Performance Flexible Electronic Devices with Low-Temperature Catalyzed Solution-Processed SiO2. Small Methods. 2021. 5. 8
  • Wanli Li, Lingying Li, Qingqing Sun, Xuying Liu, Masayuki Kanehara, Tomonobu Nakayama, Jinting Jiu, Kenji Sakamoto, Takeo Minari. Direct fabrication of high-resolution and high-performance flexible electronics via surface-activation-localized electroless plating. Chemical Engineering Journal. 2021. 416
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MISC (42)：
  • Sakamoto Kenji, Usami Kiyoaki, Miki Kazushi. Swelling of polyamic acid films by amine vapor treatment and their photo-alignment property. Proceedings of Japanese Liquid Crystal Society Annual meeting. 2014. 2014. PA04
  • Kiyohara Shogo, Usami Kiyoaki, Sakamoto Kenji. Relationship between molecular orient ation of amine-vapor-treated polyimide photoalignment layers and pretilt angle of liquid crystals. Proceedings of Japanese Liquid Crystal Society Annual meeting. 2014. 2014. PB03
  • 三木一司, 坂本謙二. 有機材料,ナノ粒子の配向・配列制御による革新的デバイスの構築を目指して. NIMS NOW. 2012. 12. 7. 07
  • Sakamoto Kenji, Ueno Junichi, Miki Kazushi. 2b06 Molecular orientation and field-effect mobility of pentacene thin films on very thin polyimide photo-alignment layers. 2012. 2012. "2b06-1"-"2b06-2"
  • Uehara Y., Katano S., Watanabe S., Sanbongi T., Sakamoto K., Ushioda S. 29pRD-1 STM light emission spectra measured under irradiation of pico-second laser pulses. Meeting abstracts of the Physical Society of Japan. 2009. 64. 1. 893-893
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Patents (8)：
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Books (23)：
  • 光配向テクノロジーの開発動向,第4編第4章 ポリイミド光配向膜による有機半導体の分子配向制御
    シーエムシー出版 2010
  • 光機能性高分子材料の新たな潮流-最新技術とその展望-,第2章 光配向性ポリイミド薄膜とその応用
    シーエムシー出版 2008
  • 表面物性工学ハンドブック 第2版,小間 篤・青野正和・石橋幸治・塚田 捷・常行真司・長谷川修司・八木克道・吉信 淳編,第9章第6節 表面増強ラマン分光
    丸善 2007
  • 物理学辞典(3訂版)物理学辞典編集委員会編
    培風館 2005
  • 表面・界面工学大系 上巻 基礎編
    フジ・テクノシステム 2005
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Lectures and oral presentations  (126)：
  • Improvement of electrical stability of organic field-effect transistors with active layers of liquid crystalline polymers
    (日本液晶学会討論会講演予稿集(CD-ROM) 2018)
  • Molecular orientation of polyimide photoalignment layers treated with different classes of alkylamines
    (Proceedings of Japanese Liquid Crystal Society Annual meeting 2017)
  • ~30nm金微粒子の均一大面積モノレイヤー・コロイド膜の作製
    (日本セラミックス協会年会講演予稿集(CD-ROM) 2017)
  • フロー・コート法で作製したpBTTT-C16膜の電荷輸送特性の面内均一性
    (応用物理学会秋季学術講演会講演予稿集(CD-ROM) 2016)
  • 混合アルカンチオールSAM修飾による高被覆率金ナノ粒子2次元配列膜
    (応用物理学会春季学術講演会講演予稿集(CD-ROM) 2016)
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Professional career (1)：
  • 工学博士 (東北大学大学院)
Work history (1)：
  • 2017/04 - 現在 National Institute for Materials Science Chief Researcher
Committee career (8)：
  • 2018/09 - 2020/09 日本液晶学会 理事(総務担当)
  • 2012/01 - 2013/12 日本液晶学会 代議員
  • 2006/01 - 2007/12 日本液晶学会 学会賞選考委員
  • 2006/01 - 2007/12 日本液晶学会 理事(財務担当)
  • 2006/01 - 2006/12 日本液晶学会 物理・物性フォーラム主査
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Awards (2)：
  • 2012/07 - 25th Inernational Liquid Crystal Conference Poster Prize [The first prize in physics section] Significant Extension of Pretilt Angle Controllable Range with Polyimide Photo-alignment Layers by an Alkyl-amine Vapour Treatment
  • 1994/03 - トーキン科学技術振興奨励賞
Association Membership(s) (2)：
日本液晶学会 ,  日本応用物理学会
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