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Development of polymeric superconductor

Research Project

Project/Area Number 20K20562
Research Category

Grant-in-Aid for Challenging Research (Pioneering)

Allocation TypeMulti-year Fund
Review Section Medium-sized Section 35:Polymers, organic materials, and related fields
Research InstitutionThe University of Tokyo

Principal Investigator

Watanabe Shun  東京大学, 大学院新領域創成科学研究科, 准教授 (40716718)

Co-Investigator(Kenkyū-buntansha) 黒澤 忠法  東京大学, 大学院新領域創成科学研究科, 助教 (30720940)
Project Period (FY) 2020-07-30 – 2023-03-31
Project Status Completed (Fiscal Year 2022)
Budget Amount *help
¥26,000,000 (Direct Cost: ¥20,000,000、Indirect Cost: ¥6,000,000)
Fiscal Year 2022: ¥4,030,000 (Direct Cost: ¥3,100,000、Indirect Cost: ¥930,000)
Fiscal Year 2021: ¥4,940,000 (Direct Cost: ¥3,800,000、Indirect Cost: ¥1,140,000)
Fiscal Year 2020: ¥17,030,000 (Direct Cost: ¥13,100,000、Indirect Cost: ¥3,930,000)
Keywords高分子 / 化学ドーピング / 超伝導 / 低温物性
Outline of Research at the Start

固体物質の「超伝導」状態では、電子は散乱を受けず伝導するため電気抵抗がゼロとなる。1964年にLittleによって高分子が超伝導状態となることが理論的に予想されたが、半世紀経った今でも高分子超伝導体は実験的に発見されていない。本研究では、申請者が独自に開発した高結晶性高分子とそのドーピング手法を基盤技術として、超伝導状態となり得る高分子の開発を目指し、世界初の高分子超伝導体を実現する。

Outline of Final Research Achievements

We carried out material science research aiming at the realization of superconducting transition in pi-conjugated polymers. Metallic conduction in highly doped conductive polymers has been realized when a reasonably large carrier density, such as one charge per polymer unit, is realized. In addition, as a result of high-density doping on the surface of single crystalline small molecules, we succeeded in observing the world's first metal-insulator transition in organic semiconductors. This result suggests that the electronic phase transition is feasible even in disordered systems, and the possibility of a superconducting transition is being highlighted. Although the ultimate goal of polymer superconductivity was not achieved, significant results were obtained in dopant materials and doping technology.

Academic Significance and Societal Importance of the Research Achievements

本研究では、高分子半導体のナノスケール空隙を機能性空間として活用することにより、ホストの構造周期性を乱すことなくゲストとなる異種分子の導入・脱離・交換を実現した。高い結晶性・高い電気伝導度が実現された高分子の中では、電子は波のように振る舞い、通常の金属が示す電子物性をすべからく満たすことも分かってきた。つまり、固体物理学の標準理論で説明可能な電子相転移が高分子材料でも実現する可能性が強く示唆された。高分子の結晶性と電子物性を固体物理学の観点から整備した上で物質科学を展開することで、貴金属の代替だけでなく、様々な物理化学現象の制御に貢献することが期待できる。

Report

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

    (25 results)

All 2023 2022 2021 2020 Other

All Journal Article (20 results) (of which Int'l Joint Research: 5 results,  Peer Reviewed: 20 results,  Open Access: 13 results) Presentation (4 results) (of which Int'l Joint Research: 1 results,  Invited: 1 results) Remarks (1 results)

  • [Journal Article] High-speed hybrid complementary ring oscillators based on solution-processed organic and amorphous metal oxide semiconductors2023

    • Author(s)
      X. Wei, S. Kumagai, T. Makita, K. Tsuzuku, A. Yamamura, M. Sasaki, S. Watanabe, and J. Takeya
    • Journal Title

      Commun Mater

      Volume: 4, 4 Issue: 1 Pages: 1-9

    • DOI

      10.1038/s43246-023-00331-0

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Phonon dispersion of the organic semiconductor rubrene2022

    • Author(s)
      K. Takada, K. Yoshimi, S. Tsutsui, K. Kimura, K. Hayashi, I. Hamada, S. Yanagisawa, N. Kasuya, S. Watanabe, J. Takeya, and Y. Wakabayashi
    • Journal Title

      Phys. Rev. B

      Volume: 105, 205205 Issue: 20 Pages: 1-8

    • DOI

      10.1103/physrevb.105.205205

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Doped semiconducting polymer nanoantennas for tunable organic plasmonics2022

    • Author(s)
      A. Karki, Y. Yamashita, SZ. Chen, T. Kurosawa, J. Takeya, V. Stanishev, V. Darakchieva, S. Watanabe, and MP. Jonsson
    • Journal Title

      Communications Materials

      Volume: 3,48 Issue: 1 Pages: 1-8

    • DOI

      10.1038/s43246-022-00268-w

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Electrostatically-sprayed carbon electrodes for high performance organic complementary circuits2022

    • Author(s)
      K. Watanabe, N. Miura, H. Taguchi, T. Komatsu, H. Nosaka, T. Okamoto, S. Watanabe, and J. Takeya
    • Journal Title

      Sci Rep

      Volume: 12, 16009 Issue: 1 Pages: 1-8

    • DOI

      10.1038/s41598-022-19387-y

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Improvement of contact resistance at carbon electrode/organic semiconductor interfaces through chemical doping2022

    • Author(s)
      K. Watanabe, N. Miura, H. Taguchi, T. Komatsu, H. Nosaka, T. Okamoto, Y. Yamashita, S. Watanabe, and J. Takeya
    • Journal Title

      Appl. Phys. Express

      Volume: 15 101005 Issue: 10 Pages: 1-5

    • DOI

      10.35848/1882-0786/ac92c0

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Scattering mechanism of hole carriers in organic molecular semiconductors deduced from analyses of terahertz absorption spectra using Drude-Anderson model2022

    • Author(s)
      Y. Han, T. Miyamoto, T. Otaki, N. Takamura, N. Kida, N. Osakabe, J. Tsurumi, S. Watanabe, T. Okamoto, J. Takeya and H. Okamoto
    • Journal Title

      Applied Physics Letters

      Volume: 120 Issue: 5 Pages: 053302-053302

    • DOI

      10.1063/5.0073133

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] “Nitrogen-Containing Perylene Diimides: Molecular Design, Robust Aggregated Structures, and Advances in n-Type Organic Semiconductors”2022

    • Author(s)
      Shohei Kumagai, Hiroyuki Ishii, Go Watanabe, Craig P. Yu, Shun Watanabe, Jun Takeya, and Toshihiro Okamoto
    • Journal Title

      Acc. Chem. Res.

      Volume: 55 Issue: 5 Pages: 660-672

    • DOI

      10.1021/acs.accounts.1c00548

    • Related Report
      2021 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] ”Scalable printing of two-dimensional single crystals of organic emiconductors towards high-end device applications”2022

    • Author(s)
      S. Kumagai, T. Makita, S. Watanabe, and J. Takeya
    • Journal Title

      Appl. Phys. Express

      Volume: 15 Issue: 3 Pages: 030101-030101

    • DOI

      10.35848/1882-0786/ac435a

    • Related Report
      2021 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Band mobility exceeding 10cm2V-1s-1 assessed by field-effect and chemical double doping in semicrystalline polymeric semiconductors2021

    • Author(s)
      Ito Masato、Yamashita Yu、Mori Taizo、Ariga Katsuhiko、Takeya Jun、Watanabe Shun
    • Journal Title

      Applied Physics Letters

      Volume: 119 Issue: 1 Pages: 013302-013302

    • DOI

      10.1063/5.0052279

    • Related Report
      2021 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Highly air-stable, n-doped conjugated polymers achieved by dimeric organometallic dopants2021

    • Author(s)
      Yamashita Yu、Jhulki Samik、Bhardwaj Dinesh、Longhi Elena、Kumagai Shohei、Watanabe Shun、Barlow Stephen、Marder Seth R.、Takeya Jun
    • Journal Title

      Journal of Materials Chemistry C

      Volume: 9 Issue: 12 Pages: 4105-4111

    • DOI

      10.1039/d0tc05931e

    • Related Report
      2021 Research-status Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Hyper 100 °C Langmuir-Blodgett (Langmuir-Schaefer) Technique for Organized Ultrathin Film of Polymeric Semiconductors2021

    • Author(s)
      Ito Masato、Yamashita Yu、Mori Taizo、Chiba Masaaki、Futae Takayuki、Takeya Jun、Watanabe Shun、Ariga Katsuhiko
    • Journal Title

      Langmuir

      Volume: 38 Issue: 17 Pages: 5237-5247

    • DOI

      10.1021/acs.langmuir.1c02596

    • Related Report
      2021 Research-status Report
    • Peer Reviewed
  • [Journal Article] ”Two-dimensional hole gas in organic semiconductors”2021

    • Author(s)
      N. Kasuya, J. Tsurumi, T. Okamoto, S. Watanabe, and J. Takeya
    • Journal Title

      Nat. Mater.

      Volume: 20 Issue: 10 Pages: 1401-1406

    • DOI

      10.1038/s41563-021-01074-4

    • Related Report
      2021 Research-status Report
    • Peer Reviewed
  • [Journal Article] ”Stabilizing solution-processed metal oxide thin-film transistors via trilayer organic-inorganic hybrid passivation”2021

    • Author(s)
      X. Wei, S. Kumagai, M. Sasaki, S. Watanabe, J. Takeya
    • Journal Title

      AIP Advances

      Volume: 11 Issue: 3 Pages: 035027-035027

    • DOI

      10.1063/5.0038128

    • Related Report
      2021 Research-status Report
    • Peer Reviewed
  • [Journal Article] Supramolecular cocrystals built through redox-triggered ion intercalation in π-conjugated polymers2021

    • Author(s)
      Yamashita Yu、Tsurumi Junto、Kurosawa Tadanori、Ueji Kan、Tsuneda Yukina、Kohno Shinya、Kempe Hideto、Kumagai Shohei、Okamoto Toshihiro、Takeya Jun、Watanabe Shun
    • Journal Title

      Communications Materials

      Volume: 2 Issue: 1 Pages: 45-45

    • DOI

      10.1038/s43246-021-00148-9

    • Related Report
      2021 Research-status Report 2020 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Strong and Atmospherically Stable Dicationic Oxidative Dopant2021

    • Author(s)
      Kurosawa Tadanori、Okamoto Toshihiro、Yamashita Yu、Kumagai Shohei、Watanabe Shun、Takeya Jun
    • Journal Title

      Advanced Science

      Volume: 8 Issue: 24 Pages: 2101998-2101998

    • DOI

      10.1002/advs.202101998

    • Related Report
      2021 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] "Gate induced modulation of electronic states in monolayer organic field-effect transistor"2021

    • Author(s)
      Hiroyuki Ishii*, Naotaka Kasuya, Nobuhiko Kobayashi*, Kenji Hirose, Shohei Kumagai, Shun Watanabe, and Jun Takeya
    • Journal Title

      Appl. Phys. Lett.

      Volume: 119 Issue: 22 Pages: 223301-223301

    • DOI

      10.1063/5.0058666

    • Related Report
      2021 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Chrysenodithiophene-Based Conjugated Polymer: An Elongated Fused π-Electronic Backbone with a Unique Orbital Structure Toward Efficient Intermolecular Carrier Transport2021

    • Author(s)
      Kurosawa Tadanori、Okamoto Toshihiro、Cen Dinghai、Ikeda Daiji、Ishii Hiroyuki、Takeya Jun
    • Journal Title

      Macromolecules

      Volume: 54 Issue: 5 Pages: 2113-2123

    • DOI

      10.1021/acs.macromol.0c00984

    • Related Report
      2020 Research-status Report
    • Peer Reviewed
  • [Journal Article] Controlled steric selectivity in molecular doping towards closest-packed supramolecular conductors2020

    • Author(s)
      Kohno Shinya、Yamashita Yu、Kasuya Naotaka、Mikie Tsubasa、Osaka Itaru、Takimiya Kazuo、Takeya Jun、Watanabe Shun
    • Journal Title

      Communications Materials

      Volume: 1 Issue: 1 Pages: 1-6

    • DOI

      10.1038/s43246-020-00081-3

    • Related Report
      2020 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Surface Doping of Organic Single‐Crystal Semiconductors to Produce Strain‐Sensitive Conductive Nanosheets2020

    • Author(s)
      Watanabe Shun、Hakamatani Ryohei、Yaegashi Keita、Yamashita Yu、Nozawa Han、Sasaki Mari、Kumagai Shohei、Okamoto Toshihiro、Tang Cindy G.、Chua Lay‐Lay、Ho Peter K. H.、Takeya Jun
    • Journal Title

      Advanced Science

      Volume: 8 Issue: 3 Pages: 2002065-2002065

    • DOI

      10.1002/advs.202002065

    • Related Report
      2020 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] 100 °C-Langmuir-Blodgett Method for Fabricating Highly Oriented, Ultrathin Films of Polymeric Semiconductors2020

    • Author(s)
      Ito Masato、Yamashita Yu、Tsuneda Yukina、Mori Taizo、Takeya Jun、Watanabe Shun、Ariga Katsuhiko
    • Journal Title

      ACS Applied Materials & Interfaces

      Volume: 12 Issue: 50 Pages: 56522-56529

    • DOI

      10.1021/acsami.0c18349

    • Related Report
      2020 Research-status Report
    • Peer Reviewed
  • [Presentation] Metallic polymers mediated by molecules, ions, and their interstices2023

    • Author(s)
      Shun Watanabe
    • Organizer
      The 13th SPSJ International Polymer Conference
    • Related Report
      2022 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] 結晶性超分子構造を有する導電性高分子における高仕事関数と大気安定性の実現2021

    • Author(s)
      山下 侑、鶴見 淳人、河野 真弥、黒澤 忠法、岡本 敏宏、渡邉 峻一郎、竹谷 純一
    • Organizer
      第65回応用物理学会春季学術講演会
    • Related Report
      2020 Research-status Report
  • [Presentation] 高温LB法を用いた高分子半導体の一軸配向超薄膜の作製と評価2020

    • Author(s)
      伊藤 雅人、山下 侑、森 泰蔵、竹谷 純一、渡邉 峻一郎、有賀 克彦
    • Organizer
      第81回応用物理学会秋季学術講演会
    • Related Report
      2020 Research-status Report
  • [Presentation] 結晶性導電性高分子における立体障害の影響と伝導特性2020

    • Author(s)
      河野 真弥、山下 侑、糟谷 直孝、三木江 翼、尾坂 格、瀧宮 和男、竹谷 純一、渡邉 峻一郎
    • Organizer
      第81回応用物理学会秋季学術講演会
    • Related Report
      2020 Research-status Report
  • [Remarks] 竹谷・岡本・渡邉研究室

    • URL

      http://www.organicel.k.u-tokyo.ac.jp/

    • Related Report
      2020 Research-status Report

URL: 

Published: 2020-08-03   Modified: 2024-01-30  

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