Electrical characterization of conjugated molecular junctions by using nanogap electrodes and its application to molecular transistors

• Project/Area Number: 19710120
• Research Category: Grant-in-Aid for Young Scientists (B)
• Allocation Type: Single-year Grants
• Research Field: Microdevices/Nanodevices
• Research Institution: Osaka Prefecture University
• Principal Investigator: NAGASE Takashi Osaka Prefecture University, 大学院・工学研究科, 助教 (00399536)
• Project Period (FY): 2007 – 2008
• Project Status: Completed (Fiscal Year 2008)
• Budget Amount: ¥3,540,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥240,000); Fiscal Year 2008: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000); Fiscal Year 2007: ¥2,500,000 (Direct Cost: ¥2,500,000)
• Keywords: ナノギャップ電極 / 単一分子デバイス / 分子接合 / 共役分子ワイヤー / 集束イオンビーム / ナノチャネル有機トランジスタ

Research Abstract

本研究では単一分子デバイスの実現に重要な共役分子における電気伝導機構を解明することを目的とし、ナノギャップ電極を用いて共役分子ワイヤーの電気特性の温度依存性を評価した。共役分子ワイヤーでは電極‐分子間の注入障壁が減少されることで電荷伝導が分子間ホッピングにより律速されることを示唆する結果が得られた。また、共役系高分子を用いたナノチャネル有機トランジスタを作製し、トランジスタ動作が可能であることを示した。

Research Products

• [Journal Article] Electrical measurement of conjugated molecular wires using nanogap electrodes (2008)
  • Author(s): T. Nagase, H. Naito, T. Terui, K. Gamo, M. M. Matsushita, and T. Sugawara
  • Journal Title: Abstracts of the 2nd Nanotechnology Materials and Device Conference Pages: 167-167
• [Journal Article] Electrical characteristics of short-channel polymer field-effect transistors (2008)
  • Author(s): T. Hirose, T. Nagase, T. Kobayashi, R. Ueda, A. Otomo, and H. Naito
  • Journal Title: Abstracts of the 2nd Nanotechnology Materials and Device Conference Pages: 72-72
• [Journal Article] Electrical characterization of conjugated molecular wires using nanogap electrodes (2008)
  • Author(s): T. Nagase, H. Naito, T. Terui, K. Gamo, M. M. Matsushita, and T. Sugawara
  • Journal Title: Abstracts of the 8th International Symposium on Functional π-Electron Systems Pages: 182-182
• [Journal Article] Observation of negative differential resistance and single-electron tunneling in electromigrated break junctions (2008)
  • Author(s): Y. Noguchi, R. Ueda, T. Kubota, T. Kamikado, S. Yokoyama, and T. Nagase
  • Journal Title: Thin Solid Film 516 Pages: 2762-2766
  • Peer Reviewed
• [Journal Article] Electrical characteristics of polymer field-effect transistors with nanometer channel lengths (2008)
  • Author(s): T. Hirose, T. Nagase, T. Kobayashi, R. IJeda. A. Otomo. and H. Naito
  • Journal Title: Extended Abstracts of 8th International Conference on Nano-Molecular. Electronics Pages: 238-239
• [Journal Article] Electrical characteristics of shortchannel polymer field-effect transistors (2008)
  • Author(s): T. Hirose, T. Nagase, T. Kobayashi, R. Ueda, A. Otomo, and H. Naito
  • Journal Title: Abstracts of the 2nd Nanotechnology Materials and Device Conference Pages: 72-72
• [Journal Article] Observation of negative differential resistance and single-electron tunneling in electromigrated break junctions (2008)
  • Author(s): Y.Noguchi, R.Ueda, T.Kubota, T Kamikado, S.Yokoyama, and T.Nagase
  • Journal Title: Thin Solid Films 516 Pages: 2762-2766
  • Peer Reviewed
• [Journal Article] Electrical characteristics of polymer field-effect transistors with nanometer channel lengths
  • Author(s): T. Hirose, T. Nagase, T. Kobayashi, R. Ueda, A. Otomo, and H. Naito
  • Journal Title: Extended Abstracts of 8th International Conference on Nano-Molecular Electronics Pages: 238-239
• [Presentation] ナノギャップ電極作製と有機単分子分光 (2009)
  • Author(s): 永瀬隆,内藤裕義,照井通文,松下未知雄,菅原正
  • Organizer: 第251回電気材料技術懇談会
  • Place of Presentation: 大阪
  • Year and Date: 2009-02-17
• [Presentation] Electrical characteristics of polymer field-effect transistors with nanometer channel lengths (2008)
  • Author(s): T. Hirose, T. Nagase, T. Kobayashi, R. Ueda, A. Otomo, and H. Naito
  • Organizer: 8th International Conference on Nano-Molecular Electronics
  • Place of Presentation: 兵庫
  • Year and Date: 2008-12-17
• [Presentation] Electrical characteristics of polymer field-effect transistors with nanometer channel lengths (2008)
  • Author(s): T. Hirose, T. Nagase, T. Kobayashi, R. Ueda, A. Otomo, and H. Naito
  • Organizer: 8th International Conference on NanoMolecular Electronics
  • Place of Presentation: 兵庫
  • Year and Date: 2008-12-17
• [Presentation] ナノギャップ電極による共役系分子ワイヤーの電気伝導特性評価 (2008)
  • Author(s): 永瀬隆,内藤裕義,照井通文,蒲生健次,久保田徹,松下未知雄,菅原 正
  • Organizer: 平成20年度電気関係学会関西支部連合大会,
  • Place of Presentation: 神戸
  • Year and Date: 2008-11-08
• [Presentation] ナノチャネル有機電界効果トランジスタの電気伝導特性 (2008)
  • Author(s): 和久田翔悟,廣瀬偉志,永瀬隆,小林隆史,上田里永子,大友明,内藤裕義
  • Organizer: 平成20年度電気関係学会関西支部連合大会
  • Place of Presentation: 神戸
  • Year and Date: 2008-11-08
• [Presentation] ナノチャネル有機電界効果トランジスタの電気伝導特性 (2008)
  • Author(s): 和久田翔悟, 廣瀬偉志, 永瀬隆, 小林隆史, 上田里永子, 大友明, 内藤裕義
  • Organizer: 平成20年度電気関係学会関西支部連合大会
  • Place of Presentation: 京都
  • Year and Date: 2008-11-08
• [Presentation] ナノギャップ電極による共役系分子ワイヤーの電気伝導特性評価 (2008)
  • Author(s): 永瀬隆, 内藤裕義, 照井通文, 蒲生健次, 久保田徹, 松下未知雄, 菅原正
  • Organizer: 平成20年度電気関係学会関西支部連合大会
  • Place of Presentation: 京都
  • Year and Date: 2008-11-08
• [Presentation] Electrical measurement of conjugated molecular wires using nanogap electrodes (2008)
  • Author(s): T. Nagase, H. Naito, T. Terui, K. Gamo, M. M. Matsushita, and T. Sugawara
  • Organizer: 2nd Nanotechnology Materials and Device Conference
  • Place of Presentation: 京都
  • Year and Date: 2008-10-21
• [Presentation] Electrical measurement of conjugated molecular wires using nanogap electrodes (2008)
  • Author(s): T. Nagase, H. Naito, T. Terui, K. Gamo, M. M. Matsushita, and T. Sugawara
  • Organizer: The 2nd Nanotechnology Materials and Device Conference
  • Place of Presentation: 京都
  • Year and Date: 2008-10-21
• [Presentation] Electrical characteristics of short-channel polymer field-effect transistors (2008)
  • Author(s): T. Hirose, T. Nagase, T. Kobayashi, R. Ueda,A. Otomo, and H. Naito
  • Organizer: 2nd Nanotechnology Materials and Device Conference
  • Place of Presentation: 京都
  • Year and Date: 2008-10-20
• [Presentation] Electrical characteristics of shortchannel polymer field-effect transistors (2008)
  • Author(s): T. Hirose, T. Nagase, T. Kobayashi, R. Ueda, A. Otomo, and H. Naito
  • Organizer: The 2nd Nanotechnology Materials and Device Conference
  • Place of Presentation: 京都
  • Year and Date: 2008-10-20
• [Presentation] ナノチャネル高分子電界効果トランジスタの電気特性評価 (2008)
  • Author(s): 廣瀬偉志, 永瀬隆, 小林隆史, 上田里永子, 大友明, 内藤裕義
  • Organizer: 第69回応用物理学会学術講演会
  • Place of Presentation: 愛知
  • Year and Date: 2008-09-02
• [Presentation] Electrical characterization of conjugated molecular wires using nanogap electrodes (2008)
  • Author(s): T. Nagase, H. Naito, T. Terui, K. Gamo, M. M. Matsushita, and T. Sugawara
  • Organizer: The 8th International Symposium on Functional π-Electron Systems
  • Place of Presentation: オーストリア
  • Year and Date: 2008-07-24
• [Presentation] Electrical characterization of conjugated molecular wires using nanogap electrodes (2008)
  • Author(s): T. Nagase, H. Naito, T. Terui, K. Gamo, M. M. Matsushita, and T. Sugawara
  • Organizer: The 8th International Symposium on Functional π-Electron Systems
  • Place of Presentation: グラーツ(オーストリア)
  • Year and Date: 2008-07-24
• [Book] ナノギャップ電極と単一分子の電気伝導特性(分担執筆),「有機エレクトロニクスにおける分子配向の最新技術」 (2007)
  • Author(s): 永瀬隆, 野口裕, 蒲生健次, 久保田徹
  • Total Pages: 9
  • Publisher: シーエムシー出版
• [Book] ナノギャップ電極と単一分子の電気伝導特性(分担執筆)、「有機エレクトロニクスにおける分子配向の最新技術」 (2007)
  • Author(s): 永瀬 隆, 野口 裕, 蒲生 健次, 久保田 徹
  • Publisher: シーエムシー出版
• [Remarks]
  • URL: http://gweb.acs.osakafu-u.ac.jp:7780/kyoinkensaku/