Development of air stable n-type organic FET using hetero-layered structure

• Project/Area Number: 19750156
• Research Category: Grant-in-Aid for Young Scientists (B)
• Allocation Type: Single-year Grants
• Research Field: Functional materials/Devices
• Research Institution: Yamagata University
• Principal Investigator: NAKAYAMA Ken-ichi Yamagata University, 大学院・理工学研究科, 准教授 (20324808)
• Project Period (FY): 2007 – 2008
• Project Status: Completed (Fiscal Year 2008)
• Budget Amount: ¥3,430,000 (Direct Cost: ¥3,100,000、Indirect Cost: ¥330,000); Fiscal Year 2008: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000); Fiscal Year 2007: ¥2,000,000 (Direct Cost: ¥2,000,000)
• Keywords: 有機トランジスタ / 有機FET / 大気化安定 / n型 / フラーレン / 大気下安定 / 有機半導体

Research Abstract

ホール輸送生材料とn型有機半導体層を積層した「ヘテロ積層型構造」を用いることで、n型FET変調が大気下で極めて安定に観測されることを見いだし、そのメカニズム解明および高性能化のための検討を行った。その結果、本手法がフラーレンを始めとするn型有機FET全般に対して有効であることを見いだした。また、大気下安定性が、高いHOMO準位を持つ界面層からn型チャネル層への電子供与に基づく、トラップ充填に由来することを明らかにした。

Research Products

• [Journal Article] Mobility Improvement in N-type Organic FET with Hetero-Layered Structure (2009)
  • Author(s): T. Kusunoki, K. Nakayama, Y. J. Pu, J. Kido
  • Journal Title: Mol. Cryst. Liq. Cryst. 504 Pages: 124-132
  • Peer Reviewed
• [Journal Article] Improvement in Mobility and stability of n-type organic field-effect transistors with a hole transporting interfacial layer (2009)
  • Author(s): K. Nakayama, M. Ishikawa, and M. Yokoyama
  • Journal Title: Appl. Phys. Express 2
  • NAID: 10025084451
  • Peer Reviewed
• [Journal Article] Improvement in Mobility and stability of n-type organic field-effect transistors with a hole transporting interfacial layer (2009)
  • Author(s): K. Nakayama, M. Ishikawa, and M. Yokovama
  • Journal Title: Applied Physics Express 2
  • NAID: 10025084451
  • Peer Reviewed
• [Journal Article] Mobility Improvement in N-type Organic FET with Hetero-Layered Structure (2009)
  • Author(s): T. Kusunoki, K. Nakayama, Y. J. Pu, J. Kido
  • Journal Title: Molecular Crystals and Liquid Crystals 504 Pages: 124-132
  • Peer Reviewed
• [Journal Article] Electronegative oligothiophenes based on difluorodioxocyclopentene-annelated thiophenes: Synthesis, properties, and n-type FET performances (2008)
  • Author(s): Y. Ie, Y. Umemoto, M. Okabe, T. Kusunoki, K. Nakayama, Y. J. Pu, J. Kido, H. Tada, and Y. Aso
  • Journal Title: Organic Letters 10 Pages: 833-836
  • Peer Reviewed
• [Journal Article] Electronegative Oligothiophenes based on difluorodioxocyclopentene-annelated thiophenes:Synthesis,properties,and n-type FET performances (2008)
  • Author(s): Y., Le, Y., Umemoto, M., Okabe, T., Kusunoki, K., Nakayama, Y.J., Pu, J., Kido, H., Taka, Y., Aso
  • Journal Title: Organic Letters 10 Pages: 833-836
  • Peer Reviewed
• [Journal Article] Electronegative Oligothiophenes for n-Type Semiconductors: Difluoromethylene-Bridged Bithiophene and Its Oligomers (2007)
  • Author(s): Y. Ie, M. Nitani, M. Ishikawa, K. Nakayama, H. Tada, T. Kaneda, Y. Aso
  • Journal Title: Organic Lettetrs 9 Pages: 2115-2118
  • Peer Reviewed
• [Journal Article] Electronegative Oligothiophenes for n-Type Semiconductors:Difluoromet hylene-Bridged Bithiophene and Its Oligomers (2007)
  • Author(s): Y., Ie, M., Nitani, M., Ishikawa, K., Nakayama, H., Tada, T., Kaneda, Y., Aso
  • Journal Title: Organic Letters 9 Pages: 2115-2118
  • Peer Reviewed
• [Presentation] Mobility improvement in n-type organic FET with hetero layered structure (2008)
  • Author(s): T. Kusunoki, K. Nakayama, Y. J. Pu, J. Kido
  • Organizer: Korea-Japan Joint Forum 2008
  • Place of Presentation: Chitose Institute of Science and Technology, Hokkaido, Japan
  • Year and Date: 2008-10-23
• [Presentation] Mobility improvement in n-type organic FET with hetero layered structure (2008)
  • Author(s): T. Kusunoki, K. Nakayama, Y. J. Pu, J. Kido
  • Organizer: Korea-Japan Joint Forum 2008
  • Place of Presentation: Chitose Institute of Scien ce and Technology, Hokkaido, Japan
  • Year and Date: 2008-10-23
• [Presentation] ヘテロ積層構造によるフラーレンn型FETの大気安定化 (2008)
  • Author(s): 楠貴博、中山健一、夫 勇進、城戸淳二
  • Organizer: 第69回応用物理学会学術講演会
  • Place of Presentation: 中部大学(愛知県)
  • Year and Date: 2008-09-02
• [Presentation] ホール輸送材料によるフラーレンn型FETの大気安定化 (2008)
  • Author(s): 楠貴博、中山健一、夫 勇進、城戸淳二
  • Organizer: 第57回高分子学会年次大会
  • Place of Presentation: パシフィコ横浜(横浜市)
  • Year and Date: 2008-05-29