Identification of microscopic origin of interfacial trap statesin organic transistors by field-induced electron spin resonance

2012 Fiscal Year Final Research Report

• Project/Area Number: 22360012
• Research Category: Grant-in-Aid for Scientific Research (B)
• Allocation Type: Single-year Grants
• Section: 一般
• Research Field: Applied materials science/Crystal engineering
• Research Institution: National Institute of Advanced Industrial Science and Technology
• Principal Investigator: HASEGAWA Tatsuo 独立行政法人産業技術総合研究所, フレキシブルエレクトロニクス研究センター, 副研究センター長 (00242016)
• Co-Investigator(Kenkyū-buntansha): YAMADA Toshikazu 独立行政法人産業技術総合研究所, フレキシブルエレクトロニクス研究センター, 主任研究員 (20358261)
• Co-Investigator(Renkei-kenkyūsha): MISHCHENKO Andrei (50525889)
• Project Period (FY): 2010 – 2012
• Keywords: 有機 / 分子エレクトロニクス

Research Abstract

We developed methods to evaluate and analyze trap density of states, impurity molecular states within microcrystal grains, and barrier potentials atmicrocrystal grain boundaries in polycrystalline films of organic thin-film transistors by means of field-i

Research Products

• [Journal Article] 有機半導体界面における浅い局在状態密度分布のスペクトル解析 (2012)
  • Author(s): 長谷川達生、松井弘之、ミシェンコ アンドレイ
  • Journal Title: 日本物理学会誌 Volume: 67巻(10 月号) Pages: 695-699
  • Peer Reviewed
• [Journal Article] 有機半導体における 2 種類の運動による尖鋭化効果 (2012)
  • Author(s): 松井弘之、長谷川達生
  • Journal Title: 電子スピンサイエンス学会誌 Volume: 10巻(19号) Pages: 82-87
  • Peer Reviewed
• [Journal Article] Correlation between interdomain carrier hopping and apparent mobility in polycrystalline organic transistors as investigated by electron spin resonance (2012)
  • Author(s): H. Matsui, D. Kumaki, E. Takahashi, K. Takimiya, S. Tokito, and T. Hasegawa
  • Journal Title: Physical Review B Volume: vol. 85 Pages: 035308-1-9
  • DOI: DOI:10.1103/PhysRevB.85.035308
• [Journal Article] Distribution of localized states from fine analysis of electron spin resonance spectra of organic semiconductors: Physical meaning and methodology (2012)
  • Author(s): A. S. Mishchenko, H. Matsui, and T.Hasegawa
  • Journal Title: Physical Review B Volume: vol. 85 Pages: 085211-1-12
  • DOI: DOI:10.1103/PhysRevB.85.085211
• [Journal Article] Field-modulation spectroscopy of pentacene thin films using field-effect devices: Reconsideration of the excitonic structure (2010)
  • Author(s): S. Haas, H. Matsui, and T. Hasegawa
  • Journal Title: Physical Review B Volume: vol. 82 Pages: 161301(R)-1-4
  • DOI: DOI:10.1103/PhysRevB.82.161301
• [Presentation] 電子スピン共鳴による局在状態密度の観測(依頼講演) (2013)
  • Author(s): 長谷川達生
  • Organizer: 日本物理学会第68回年次大会 シンポジウム「分子性物質におけるゆらぎとコヒーレンス」
  • Place of Presentation: 広島大学
  • Year and Date: 2013-03-28
• [Presentation] Interface Charge Transport in Organic Transistors as Investigated by Field-Induced ESR (Invited Talk) (2013)
  • Author(s): Tatsuo Hasegawa
  • Organizer: APS March Meeting 2013
  • Place of Presentation: Baltimore, USA
  • Year and Date: 2013-03-18
• [Presentation] 印刷技術による有機デバイス物理の新展開(依頼講演) (2012)
  • Author(s): 長谷川 達生
  • Organizer: 日本物理学会 2012 年秋季大会シンポジウム「デバイス物理の新展開 - 電界効果の物質科学 -」
  • Place of Presentation: 横浜市
  • Year and Date: 2012-09-19
• [Presentation] 電子スピンをプローブとする有機半導体薄膜の電荷輸送(依頼講演) (2012)
  • Author(s): 長谷川 達生、松井 弘之
  • Organizer: 日本化学会第92 春季年会
  • Place of Presentation: 日吉市
  • Year and Date: 2012-03-28
• [Presentation] Device Physics of Organic Transistors (Invited Talk) (2011)
  • Author(s): Tatsuo Hasegawa
  • Organizer: International Conference on. Solid State Devices and Materials (SSDM 2011)
  • Place of Presentation: Nagoya
  • Year and Date: 2011-09-30
• [Presentation] 有機トランジスタのデバイス物理(招待講演) (2011)
  • Author(s): 長谷川 達生
  • Organizer: 第60回高分子討論会
  • Place of Presentation: 岡山市
  • Year and Date: 2011-09-28
• [Presentation] Charge Transport in Organic Transistors Probed by Spin (Invited Talk) (2011)
  • Author(s): Tatsuo Hasegawa
  • Organizer: Organic Microelectronics & Optoelectronics Workshop VII
  • Place of Presentation: San Francisco, USA
  • Year and Date: 2011-07-18
• [Presentation] ESR Study on Charge Transport in Organic Transistors (Invited Talk) (2010)
  • Author(s): Tatsuo Hasegawa, Hiroyuki Matsui, Andrei S. Mishchenko
  • Organizer: International Conference on Science and Technology of Synthetic Metals 2010 (ICSM2010)
  • Place of Presentation: Kyoto
  • Year and Date: 2010-07-08
• [Presentation] Spectroscopic Study of Interfacial Charged States in Organic Transistors (Invited Talk) (2010)
  • Author(s): Tatsuo Hasegawa
  • Organizer: The OFET2010 Workshop
  • Place of Presentation: Les Diablerets, Switzerland
  • Year and Date: 2010-05-07
• [Presentation] Distribution of Localized States from Fine Analyses of ESR Spectra in Organic Transistors (2010)
  • Author(s): Tatsuo Hasegawa, Hiroyuki Matsui, and Andrei S. Mischenko
  • Organizer: 2010 MRS Spring Meeting
  • Place of Presentation: San Francisco, USA
  • Year and Date: 2010-04-08
• [Remarks]
  • URL: http://unit.aist.go.jp/flec/fos/research/research_03.html
• [Remarks]
  • URL: http://www.aist.go.jp/aist_j/new_research/nr20120215/nr20120215.html
• [Patent(Industrial Property Rights)] 半導体薄膜の評価方法 (2011)
  • Inventor(s): 長谷川達生、松井弘之、高橋永次
  • Industrial Property Rights Holder: 独立行政法人産業技術総合研究所、住化分析センター株式会社
  • Industrial Property Number: 特願 2011-043164
  • Filing Date: 2011-02-28