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Experimental Evaluation of Intermolecular Interactions of Charged Transistor Molecules and Application to Molecular Orbital Calculations

Research Project

Project/Area Number 20K15356
Research Category

Grant-in-Aid for Early-Career Scientists

Allocation TypeMulti-year Fund
Review Section Basic Section 35030:Organic functional materials-related
Research InstitutionKonan University (2022)
University of Hyogo (2020-2021)

Principal Investigator

Kadoya Tomofumi  甲南大学, 理工学部, 助教 (70759018)

Project Period (FY) 2020-04-01 – 2023-03-31
Project Status Completed (Fiscal Year 2022)
Budget Amount *help
¥4,160,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥960,000)
Fiscal Year 2022: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2021: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2020: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
Keywords有機トランジスタ / 分子性導体 / 電子相関 / 有機半導体 / ラジカルカチオン塩 / モット絶縁体 / 分子間相互作用
Outline of Research at the Start

本課題では電荷をもつ分子同士のトランスファー積分を評価する手法を確立する。すなわち、トランジスタ分子を含む新規分子性導体を作製する。その分子性導体の熱起電力と反射スペクトルを測定し、電荷を帯びた分子の分子間トランスファー積分の値を決定する。このトランスファー積分の値と重なり積分から、分子軌道のエネルギーを求める。この分子軌道のエネルギーを用いて、デバイスの活性層の分子配列における電子相関を考慮したトランスファー積分を算出する。この値から、各分子系における分子軌道計算の最適条件を特定する。また、トランジスタ材料の予測移動度を算出し、実際に作製した単結晶性薄膜有機トランジスタの移動度と比較する。

Outline of Final Research Achievements

To evaluate the intermolecular interaction of small-molecule organic transistor materials, I aim to develop a molecular conductor composed of transistor molecules and to evaluate the transfer integral experimentally in order to consider the contribution of arbitrary electron correlations Although the results were inadequate in terms of target parameters, results in the development of novel molecular conductors were obtained.

Academic Significance and Societal Importance of the Research Achievements

分子性導体の新規開発において一定の成果があった。従来の強相関電子系はBEDT-TTFを主要ドナーとするラジカルカチオン塩であったが、本研究課題では分子性導体の分野では、新しいドナー分子を用いて二次元電子構造をもつ強相関電子系を開発できた。これは学術的に意義があると考えられる。

Report

(4 results)
  • 2022 Annual Research Report   Final Research Report ( PDF )
  • 2021 Research-status Report
  • 2020 Research-status Report
  • Research Products

    (14 results)

All 2022 2021 2020 Other

All Journal Article (9 results) (of which Int'l Joint Research: 8 results,  Peer Reviewed: 8 results) Presentation (1 results) Remarks (4 results)

  • [Journal Article] Crystal Structures and Conducting Properties of Mott Insulator (BEDT-BDS)PF6: Selenium Substitution Effect in the Parent (BEDT-BDT)PF62022

    • Author(s)
      Kadoya Tomofumi、Shishido Masaharu、Sugiura Shiori、Higashino Toshiki、Tahara Keishiro、Kubo Kazuya、Sasaki Takahiko、Yamada Jun-ichi
    • Journal Title

      Chemistry Letters

      Volume: - Issue: 7 Pages: 683-686

    • DOI

      10.1246/cl.220148

    • Related Report
      2022 Annual Research Report 2021 Research-status Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] An isotropic three-dimensional organic semiconductor 2-(thiopyran-4-ylidene)-1,3-benzodithiole (TP-BT): asymmetric molecular design to suppress access resistance2022

    • Author(s)
      Nishimoto Hiroshi、Kadoya Tomofumi、Miyake Rikyu、Oda Takeshi、Nishida Jun-ichi、Kubo Kazuya、Tajima Hiroyuki、Kawase Takeshi、Yamada Jun-ichi
    • Journal Title

      CrystEngComm

      Volume: 24 Issue: 31 Pages: 5562-5569

    • DOI

      10.1039/d2ce00644h

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Molecular conductors from bis(ethylenedithio)tetrathiafulvalene with tris(oxalato)gallate and tris(oxalato)iridate2022

    • Author(s)
      Blundell Toby J.、Morritt Alexander L.、Rusbridge Elizabeth K.、Quibell Luke、Oakes Jakob、Akutsu Hiroki、Nakazawa Yasuhiro、Imajo Shusaku、Kadoya Tomofumi、Yamada Jun-ichi、Coles Simon J.、Christensen Jeppe、Martin Lee
    • Journal Title

      Materials Advances

      Volume: 3 Issue: 11 Pages: 4724-4735

    • DOI

      10.1039/d2ma00384h

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Dihedral-Angle Dependence of Intermolecular Transfer Integrals in BEDT-BDT-Based Radical-Cation Salts with θ-Type Molecular Arrangements2021

    • Author(s)
      Kadoya Tomofumi、Sugiura Shiori、Higashino Toshiki、Tahara Keishiro、Kubo Kazuya、Sasaki Takahiko、Takimiya Kazuo、Yamada Jun-ichi
    • Journal Title

      Crystals

      Volume: 11 Issue: 8 Pages: 868-868

    • DOI

      10.3390/cryst11080868

    • Related Report
      2021 Research-status Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Steric effect of halogen substitution in an unsymmetrical benzothienobenzothiophene organic semiconductor2020

    • Author(s)
      Kadoya Tomofumi、Mano Shotaro、Hori Aoi、Tahara Keishiro、Sugimoto Kunihisa、Kubo Kazuya、Abe Masaaki、Tajima Hiroyuki、Yamada Jun-ichi
    • Journal Title

      Organic Electronics

      Volume: 78 Pages: 105570-105570

    • DOI

      10.1016/j.orgel.2019.105570

    • Related Report
      2020 Research-status Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Ferrocene on Insulator: Silane Coupling to a SiO2 Surface and Influence on Electrical Transport at a Buried Interface with an Organic Semiconductor Layer2020

    • Author(s)
      Ikeda Takashi、Tahara Keishiro、Kadoya Tomofumi、Tajima Hiroyuki、Toyoda Noriaki、Yasuno Satoshi、Ozawa Yoshiki、Abe Masaaki
    • Journal Title

      Langmuir

      Volume: 36 Issue: 21 Pages: 5809-5819

    • DOI

      10.1021/acs.langmuir.0c00515

    • Related Report
      2020 Research-status Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Two-dimensional radical-cationic Mott insulator based on an electron donor containing neither a tetrathiafulvalene nor tetrathiapentalene skeleton2020

    • Author(s)
      Kadoya Tomofumi、Sugiura Shiori、Tahara Keishiro、Higashino Toshiki、Kubo Kazuya、Sasaki Takahiko、Takimiya Kazuo、Yamada Jun-ichi
    • Journal Title

      CrystEngComm

      Volume: 22 Issue: 36 Pages: 5949-5953

    • DOI

      10.1039/d0ce00878h

    • Related Report
      2020 Research-status Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Immobilizing a π-Conjugated Catecholato Framework on Surfaces of SiO2 Insulator Films via a One-Atom Anchor of a Platinum Metal Center to Modulate Organic Transistor Performance2020

    • Author(s)
      Tahara Keishiro、Ashihara Yuya、Ikeda Takashi、Kadoya Tomofumi、Fujisawa Jun-ichi、Ozawa Yoshiki、Tajima Hiroyuki、Toyoda Noriaki、Haruyama Yuichi、Abe Masaaki
    • Journal Title

      Inorganic Chemistry

      Volume: 59 Issue: 24 Pages: 17945-17957

    • DOI

      10.1021/acs.inorgchem.0c02163

    • Related Report
      2020 Research-status Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Molecular conductors composed from Organic-Transistor Materials2020

    • Author(s)
      Kadoya Tomofumi
    • Journal Title

      Impact

      Volume: 2020 Issue: 4 Pages: 38-39

    • DOI

      10.21820/23987073.2020.4.38

    • Related Report
      2020 Research-status Report
  • [Presentation] 非TTF系ドナーを用いた二次元モット絶縁体theta-(BEDT-BDT)PF62020

    • Author(s)
      角屋智史・東野寿樹・杉浦栞理・久保和也・佐々木孝彦・瀧宮和男・山田順一
    • Organizer
      日本化学会第100春季年会(2020)
    • Related Report
      2020 Research-status Report
  • [Remarks] research map

    • URL

      https://researchmap.jp/70759018

    • Related Report
      2022 Annual Research Report
  • [Remarks] 甲南大学理工学部機能分子化学科_有機固体化学研究室

    • URL

      http://www.chem.konan-u.ac.jp/OSC/index.html

    • Related Report
      2022 Annual Research Report
  • [Remarks] researchmap

    • URL

      https://researchmap.jp/70759018

    • Related Report
      2020 Research-status Report
  • [Remarks] 兵庫県立大学大学院理学研究科機能性物質学Ⅱ講座ホームページ

    • URL

      https://www.sci.u-hyogo.ac.jp/material/funct_mat2/index-j.html

    • Related Report
      2020 Research-status Report

URL: 

Published: 2020-04-28   Modified: 2024-01-30  

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