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Synthesis of pi-conjugated two-dimensional poylmers using unique dynamic covalent bondings

Research Project

Project/Area Number 19K23641
Research Category

Grant-in-Aid for Research Activity Start-up

Allocation TypeMulti-year Fund
Review Section 0501:Physical chemistry, functional solid state chemistry, organic chemistry, polymers, organic materials, biomolecular chemistry, and related fields
Research InstitutionNational Institute for Materials Science

Principal Investigator

MATSUMOTO Michio  国立研究開発法人物質・材料研究機構, 国際ナノアーキテクトニクス研究拠点, 独立研究者 (90843110)

Project Period (FY) 2019-08-30 – 2022-03-31
Project Status Completed (Fiscal Year 2021)
Budget Amount *help
¥2,860,000 (Direct Cost: ¥2,200,000、Indirect Cost: ¥660,000)
Fiscal Year 2020: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2019: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Keywords二次元高分子 / 二次元材料 / 高分子合成 / 多次元高分子 / π共役分子 / 合成高分子
Outline of Research at the Start

本研究では、化学結合の動的性質をスイッチングできる化学結合ユニットを新たに開拓し、複雑で高次な構造の共役2次元ポリマーをボトムアップ的に合成する方法を創る。また得られる材料の光学特性や化学的安定性について検討を行い、従来の合成高次元ポリマーでは得られない機能の開拓に注力する。

Outline of Final Research Achievements

Since the seminal discovery of graphene in 2004, two-dimensional materials have gained broad interests especially with its unique physical properties. Despite many discoveries on their physical properties, methodological establishment on synthesis of artificial two-dimensional materials is still under development. In this study, we have examined new reactions in two different reaction environments, in-solution and on-surface, and used those newly found reactions for polymerization affording π-conjugated two-dimensional polymers. We successfully found a new synthetic method affording two-dimensional polymers including silicon atoms, which have not been found in natural two-dimensional materials.

Academic Significance and Societal Importance of the Research Achievements

二次元ポリマーの反応条件を精査し、液相中での合成と、金属表面上での反応の二つの異なる環境下での反応を検証した。特に、新規の反応条件を見出すことにより、これまで導入が実現されてこなかったシリコンなどのヘテロ原子を含む共役2次元ポリマーを合成できることを見出すに至った。これらの努力を続け天然に存在しない 合成π共役2次元ポリマーを生み出すことにより、グラフェンなどの天然物を超える物性を示すπ共役2次元ポリマーが見出されることが期待される。

Report

(4 results)
  • 2021 Annual Research Report   Final Research Report ( PDF )
  • 2020 Research-status Report
  • 2019 Research-status Report
  • Research Products

    (3 results)

All 2021 2020

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

  • [Journal Article] Silabenzene Incorporated Covalent Organic Frameworks2021

    • Author(s)
      Kewei Sun, Orlando J. Silveira, Yujing Ma, Yuri Hasegawa, Michio Matsumoto, Satoshi Kera, Ondrej Krejci, Adam S. Foster, Shigeki Kawai
    • Journal Title

      arXiv

      Volume: 2021

    • Related Report
      2021 Annual Research Report
    • Open Access / Int'l Joint Research
  • [Presentation] π共役二次元高分子の合成とその電子物性2021

    • Author(s)
      松本道生
    • Organizer
      日本化学会第101春季年会
    • Related Report
      2020 Research-status Report
  • [Presentation] Atomically thin two-dimensional polymers: synthesis and their functions2020

    • Author(s)
      松本道生
    • Organizer
      日本化学会第100春季年会
    • Related Report
      2019 Research-status Report
    • Invited

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Published: 2019-09-03   Modified: 2023-01-30  

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