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Development of novel electronic properties of organic semiconductor thin films by field-effect doping and their characterization

Research Project

Project/Area Number 17K05506
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Condensed matter physics I
Research InstitutionToyota Physical and Chemical Research Institute

Principal Investigator

Kuroda Shin-ichi  公益財団法人豊田理化学研究所, フェロー事業部門, フェロー (20291403)

Co-Investigator(Kenkyū-buntansha) 伊東 裕  名古屋大学, 工学研究科, 准教授 (10260374)
Project Period (FY) 2017-04-01 – 2020-03-31
Project Status Completed (Fiscal Year 2019)
Budget Amount *help
¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000)
Fiscal Year 2019: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2018: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2017: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Keywordsキャリアドーピング / 有機半導体 / 電子スピン共鳴 / 波動関数 / DFT計算 / 導電性高分子 / 絶縁体-金属転移 / 電界ドーピング / 化学ドーピング / 電荷キャリア / 波動関数の空間広がり / イオン液体 / 金属転移 / スピン状態
Outline of Final Research Achievements

By using electron spin resonance (ESR) together with conduction measurements, the electronic states and conduction mechanism of the organic semiconductor materials were investigated mainly by probing the field-induced charge carriers in the transistor structures of the thienothiophene-based high-mobility organic semiconductors. In particular, for the typical molecular semiconductor based on C8-BTBT having alkyl side chains, the spatial extent of the carrier wave function over 100 molecules was clarified for the first time from the observed hyperfine-determined ESR linewidth. The observed large extent microscopically supports the band-like transport mechanism and is consistent with the high crystalline order of the system. In PBTTT, a high-mobility polymer material, the evolution of the metallic state due to high carrier injection by ionic liquid was confirmed from the dc conductivity and magnetoresistance measurements.

Academic Significance and Societal Importance of the Research Achievements

有機半導体は有機トランジスタなどのフレキシブルな薄膜デバイスの素材として注目される。移動度などの性能向上には有機半導体中のキャリアのミクロなレベルでの理解が不可欠である。本研究でのESR法により、チエノチオフェン系分子性半導体でのキャリア波動関数の広がりが、従来の材料よりも格段に大きくバンド的伝導性と良く符合することを示した結果は、平面性の高いチエノチオフェン核とアルキル鎖を効果的に組み合わせた分子構造が高移動度材料の設計指針として有効なことを示し、大きな波及効果をもつ。また、チエノチオフェン系高分子半導体の高濃度ドーピングでは良好な金属特性を発現することも示し熱電材料の開発にも寄与している。

Report

(4 results)
  • 2019 Annual Research Report   Final Research Report ( PDF )
  • 2018 Research-status Report
  • 2017 Research-status Report
  • Research Products

    (32 results)

All 2020 2019 2018 2017

All Journal Article (7 results) (of which Int'l Joint Research: 1 results,  Peer Reviewed: 7 results,  Open Access: 2 results) Presentation (25 results) (of which Int'l Joint Research: 14 results,  Invited: 2 results)

  • [Journal Article] Spatial extent of wave functions of charge carriers in a thienothiophene-based high-mobility molecular semiconductor2020

    • Author(s)
      Shin-ichi Kuroda, Hisaaki Tanaka, Yukihiro Shimoi, Kazuo Takimiya
    • Journal Title

      Appl. Phys. Express

      Volume: 13 Issue: 4 Pages: 041004-041004

    • DOI

      10.35848/1882-0786/ab7e08

    • NAID

      40022268322

    • Related Report
      2019 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Thermoelectric properties of a semicrystalline polymer doped beyond the insulator-to-metal transition by electrolyte gating2020

    • Author(s)
      Tanaka Hisaaki、Kanahashi Kaito、Takekoshi Naoya、Mada Hiroaki、Ito Hiroshi、Shimoi Yukihiro、Ohta Hiromichi、Takenobu Taishi
    • Journal Title

      Science Advances

      Volume: 6 Issue: 7

    • DOI

      10.1126/sciadv.aay8065

    • Related Report
      2019 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Microscopic observation of efficient charge transport processes across domain boundaries in donor-acceptor-type conjugated polymers2019

    • Author(s)
      Tanaka Hisaaki、Wakamatsu Ayato、Kondo Masahiro、Kawamura Shinya、Kuroda Shin-ichi、Shimoi Yukihiro、Park Won-Tae、Noh Yong-Young、Takenobu Taishi
    • Journal Title

      Communications Physics

      Volume: 2 Issue: 1

    • DOI

      10.1038/s42005-019-0196-7

    • Related Report
      2019 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Microscopic observation of highly mobile charge carriers in organic transistors of semicrystalline conducting polymers2018

    • Author(s)
      Shinya Kawamura、Ayato Wakamatsu、Shin-ichi Kuroda、Taishi Takenobu、Hisaaki Tanaka
    • Journal Title

      Jpn. J. Appl. Phys.

      Volume: 57 Issue: 2S2 Pages: 02CA04-02CA04

    • DOI

      10.7567/jjap.57.02ca04

    • NAID

      210000148641

    • Related Report
      2017 Research-status Report
    • Peer Reviewed
  • [Journal Article] Correlation between Chemical and Physical Pressures on Charge Bistability in [Pd(en)2Br](Suc-Cn)2・H2O2018

    • Author(s)
      Shohei Kumagai、Shinya Takaishi、Hiroaki Iguchi、Brian K. Breedlove、Takuya Kaneko、Hiroshi Ito、Shin-ichi Kuroda、Masahiro Yamashita
    • Journal Title

      Inorg. Chem.

      Volume: 57 Issue: 1 Pages: 12-15

    • DOI

      10.1021/acs.inorgchem.7b02566

    • Related Report
      2017 Research-status Report
    • Peer Reviewed
  • [Journal Article] High Current Injection into Dynamic p-n Homojunction in Polymer Light-Emitting Electrochemical Cells2017

    • Author(s)
      T. Sakanoue, J. Li, Hi. Tanaka, R. Ito, S. Ono, S.-i. Kuroda, and T. Takenobu
    • Journal Title

      Adv. Mater.

      Volume: 19 Issue: 18 Pages: 1606392-1606392

    • DOI

      10.1002/adma.201606392

    • Related Report
      2017 Research-status Report
    • Peer Reviewed
  • [Journal Article] Multiple Hydrogen-Bond Approach to Uncommon Pd(III) Oxidation State: A Pd-Br Chain with High Conductivity and Thermal Stability2017

    • Author(s)
      Mian M. Rasel, Hiroaki Iguchi, Shinya Takaishi, Hideaki Murasugi, T. Miyamoto, Hiroshi Okamoto, Hisaaki Tanaka, Shin-ichi Kuroda, Brian K. Breedlove, MasahiroYamashita
    • Journal Title

      J. Am. Chem. Soc.

      Volume: 136 Issue: 19 Pages: 6562-6565

    • DOI

      10.1021/jacs.7b02558

    • Related Report
      2017 Research-status Report
    • Peer Reviewed
  • [Presentation] 高移動度分子材料C8-BTBTにおけるキャリア波動関数の空間広がり2020

    • Author(s)
      黒田新一, 田中久暁, 下位幸弘, 瀧宮和男
    • Organizer
      日本物理学会第75回年次大会
    • Related Report
      2019 Annual Research Report
  • [Presentation] Thermoelectric Performances in Aligned Conducting Polymers2019

    • Author(s)
      Katsuya Watanabe, Kaito Kanahashi, Naoya Takekoshi, HisaakiTanaka, Hiroshi Ito, Hiromichi Ohta, Taishi Takenobu
    • Organizer
      The 3rd Workshop on Functional Materials Science
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Gate-tuned Thermoelectric Performances in Aligned Conducting Polymers2019

    • Author(s)
      Katsuya Watanabe, Kaito Kanahashi, Naoya Takekoshi, HisaakiTanaka, Hiroshi Ito, Hiromichi Ohta, Taishi Takenobu
    • Organizer
      Materials Research Meeting 2019
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research
  • [Presentation] 一軸配向した導電性高分子PBTTTにおける熱電特性2019

    • Author(s)
      渡辺 且弥, 金橋 魁利, 太田 裕道, 田中 久暁, 伊東 裕, 竹延 大志
    • Organizer
      第80回応用物理学会秋季学術講演会
    • Related Report
      2019 Annual Research Report
  • [Presentation] 共役高分子のねじれポテンシャル:構造-物性相関の理解に向けて2019

    • Author(s)
      下位 幸弘,田中 久暁,竹延 大志,黒田 新一
    • Organizer
      日本物理学会 2019年秋季大会
    • Related Report
      2019 Annual Research Report
  • [Presentation] 一軸配向した導電性高分子PBTTTにおける熱電特性2019

    • Author(s)
      渡辺 且弥, 金橋 魁利, 太田 裕道, 田中 久暁, 伊東 裕, 竹延 大志
    • Organizer
      日本物理学会 2019年秋季大会
    • Related Report
      2019 Annual Research Report
  • [Presentation] Coを含むアニオンをもつBEDO-TTF錯体の低温電気伝導・磁気抵抗2019

    • Author(s)
      吉名 真志, 伊東 裕, 蒲 江, 竹延 大志, 沈 勇兵, 山下 正廣
    • Organizer
      日本物理学会 2019年秋季大会
    • Related Report
      2019 Annual Research Report
  • [Presentation] ESR spectroscopy of charge carriers in high-mobility organic transistors of semicrystalline conjugated polymers2019

    • Author(s)
      Shin-ichi Kuroda, Hisaaki Tanaka
    • Organizer
      15th European Conference on Molecular Electronics (ECME2019)
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research
  • [Presentation] 結晶性導電性高分子の電荷・スピン状態2019

    • Author(s)
      黒田新一, 田中久暁
    • Organizer
      日本物理学会第74回年次大会
    • Related Report
      2018 Research-status Report
  • [Presentation] DFT and ESR studies on donor-acceptor type conjugated polymers2019

    • Author(s)
      Yukihiro Shimoi, Hisaaki Tanaka, Shin-ichi Kuroda, Taishi Takenobu
    • Organizer
      International Conference on Advances in Organic and Hybrid Electronic Materials (AOHM19)
    • Related Report
      2018 Research-status Report
    • Int'l Joint Research
  • [Presentation] Metallic conduction of pBTTT polymer thin film doped electrochemically with ion gel2018

    • Author(s)
      Hiroshi Ito, Hiroaki Mada, Hisaaki Tanaka, Shin-ichi Kuroda, Taishi Takenobu
    • Organizer
      The International Conference on Science and Technology of Synthetic Metals 2018 (ICSM 2018)
    • Related Report
      2018 Research-status Report
    • Int'l Joint Research
  • [Presentation] ESR observation of charge carriers in high-mobility organic transistors of a thienothiophene-based molecule C10-DNTT2018

    • Author(s)
      Shin-ichi Kuroda, Hisaaki Tanaka, Yukihiro Shimoi, Kazuo Takimiya
    • Organizer
      43rd International Conference on Coordination Chemistry, (ICCC2018)
    • Related Report
      2018 Research-status Report
    • Int'l Joint Research
  • [Presentation] Simultaneous Band-filling and Band-width Control of BEDT-TTF Salts by Electric Double Layer Transistor under Pressure2018

    • Author(s)
      H. Ito, Y. Tsuboi, Y. Eura, Y. Edagawa, T. Takenobu, T. Hiramatsu, Y. Yoshida, G. Saito, H. Akutsu, H. M. Yamamoto, Y. Kawasugi, R. Kato
    • Organizer
      43rd International Conference on Coordination Chemistry, (ICCC2018)
    • Related Report
      2018 Research-status Report
    • Int'l Joint Research
  • [Presentation] Simultaneous Band-Filling and Band-Width Control on a Spin Liquid Candidate Mott Insulator by Electric Double Layer Transistor under Pressure2018

    • Author(s)
      Hiroshi Ito, Yuki Tsuboi, Yusuke Eura, Taishi Takenobu, Takaaki Hiramatsu, Yukihiro Yoshida, Gunzi Saito
    • Organizer
      The 8th TOYOTA RIKEN International Workshop on Organic Semiconductors, Conductors, and Electronics
    • Related Report
      2018 Research-status Report
    • Int'l Joint Research
  • [Presentation] Electron Spin Resonance Spectroscopy of Charge Carriers in High-Mobility Organic Transistors2018

    • Author(s)
      Shin-ichi Kuroda
    • Organizer
      The 8th TOYOTA RIKEN International Workshop on Organic Semiconductors, Conductors, and Electronics
    • Related Report
      2018 Research-status Report
    • Int'l Joint Research / Invited
  • [Presentation] 高分子材料における電荷輸送と熱電特性2018

    • Author(s)
      伊東 裕
    • Organizer
      日本物理学会第73回年次大会
    • Related Report
      2017 Research-status Report
    • Invited
  • [Presentation] 高移動度分子C10-DNTTを用いた有機FET中のキャリアの低温挙動2018

    • Author(s)
      黒田 新一、 田中 久暁、下位 幸弘、瀧宮 和男
    • Organizer
      日本物理学会第73回年次大会
    • Related Report
      2017 Research-status Report
  • [Presentation] Electronic and structural properties of donor-acceptor type conjugated polymers: DFT and ESR studies2017

    • Author(s)
      Yukihiro Shimoi、Hisaaki Tanaka、Shin-ichi Kuroda
    • Organizer
      9th International Conference on Molecular Electronics and Bioelectronics(M&BE9)
    • Related Report
      2017 Research-status Report
    • Int'l Joint Research
  • [Presentation] Molecular orientation at interfaces in organic transistors: theoretical g-values and field-induced ESR measurements2017

    • Author(s)
      Yukihiro Shimoi、Hisaaki Tanaka、Shin-ichi Kuroda
    • Organizer
      International Conference on "Interface Properties in Organic Electronics: Key Challenges"
    • Related Report
      2017 Research-status Report
    • Int'l Joint Research
  • [Presentation] Low-temperature ESR studies of charge carriers in organic transistors of a high-mobility molecule C10-DNTT2017

    • Author(s)
      Shin-ichi Kuroda、Hisaaki Tanaka、Yukihiro Shimoi、Kazuo Takimiya
    • Organizer
      14th European Conference on Molecular Electronics (ECME2017)
    • Related Report
      2017 Research-status Report
    • Int'l Joint Research
  • [Presentation] Electrical Conduction Close to the Insulator-Metal Transition in Aligned Conjugated Polymer PBTTT Film Doped by Ionic-Liquid Gating2017

    • Author(s)
      Hiroaki Mada, Hiroshi Ito, Hisaaki Tanaka, Taishi Takenobu
    • Organizer
      The 12th International Symposium on Crystalline Organic Metals, Superconductors and Magnets (ISCOM2017)
    • Related Report
      2017 Research-status Report
    • Int'l Joint Research
  • [Presentation] Direct observation of efficient charge transport across domain boundaries in thin-film transistors of Donor-Acceptor type conducting polymers2017

    • Author(s)
      Hisaaki Tanaka、Ayato Wakamatsu、Shinya Kawamura、Shin-ichi Kuroda、Taishi Takenobu、Yukihiro Shimoi、Yong-Young Noh
    • Organizer
      The 12th International Symposium on Crystalline Organic Metals, Superconductors and Magnets (ISCOM2017)
    • Related Report
      2017 Research-status Report
    • Int'l Joint Research
  • [Presentation] ドナー・アクセプタ型高分子TFTにおけるドメイン間電荷輸送のESR観測2017

    • Author(s)
      田中 久暁、若松 綾人、竹延 大志、下位 幸弘、黒田 新一
    • Organizer
      第78回応用物理学会秋季学術講演会
    • Related Report
      2017 Research-status Report
  • [Presentation] イオン液体ゲート下での共役高分子の金属絶縁体転移2017

    • Author(s)
      馬田 裕章, 伊東 裕, 田中 久暁, 竹延 大志
    • Organizer
      日本物理学会2017年秋季大会
    • Related Report
      2017 Research-status Report
  • [Presentation] ドナー・アクセプタ型高分子を用いた有機トランジスタにおけるキャリアダイナミクス2017

    • Author(s)
      田中 久暁、若松 綾人、竹延 大志、下位 幸弘、黒田 新一
    • Organizer
      第56回電子スピンサイエンス学会年会(SEST2017)
    • Related Report
      2017 Research-status Report

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Published: 2017-04-28   Modified: 2021-02-19  

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