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Development of Meltable and Self-Healing Coordination Polymers Containing Ionic Liquid Components

Research Project

Project/Area Number 20K21210
Research Category

Grant-in-Aid for Challenging Research (Exploratory)

Allocation TypeMulti-year Fund
Review Section Medium-sized Section 34:Inorganic/coordination chemistry, analytical chemistry, and related fields
Research InstitutionKobe University

Principal Investigator

Mochida Tomoyuki  神戸大学, 理学研究科, 教授 (30280580)

Co-Investigator(Kenkyū-buntansha) 桑原 大介  電気通信大学, 研究設備センター, 准教授 (50270468)
藤森 裕基  日本大学, 文理学部, 教授 (80297762)
Project Period (FY) 2020-07-30 – 2023-03-31
Project Status Completed (Fiscal Year 2022)
Budget Amount *help
¥6,500,000 (Direct Cost: ¥5,000,000、Indirect Cost: ¥1,500,000)
Fiscal Year 2021: ¥2,990,000 (Direct Cost: ¥2,300,000、Indirect Cost: ¥690,000)
Fiscal Year 2020: ¥3,510,000 (Direct Cost: ¥2,700,000、Indirect Cost: ¥810,000)
Keywordsイオン液体 / 配位高分子
Outline of Research at the Start

配位高分子は優れた機能材料として知られるが、通常の高分子材料とは異なり、一般に融解せず、可塑性・加工性に欠ける。そこで本課題では、イオン液体を素材として、柔軟性を持つ低融点配位高分子を開発する。さらに、この系の特性を利用して、自己修復能を持つ配位高分子膜の形成に挑戦する。こうして配位高分子錯体の新しい可能性・展開性を拓く。

Outline of Final Research Achievements

The aim of this study is to develop meltable coordination polymers using ionic liquids. A series of anionic coordination polymers containing ionic liquid cations were synthesized by the reaction of ionic liquids and salts containing cyanide anions. These materials exhibited incongruent melting, and the mechanism was elucidated spectroscopically. Most of the coordination polymers vitrified upon rapid cooling from the molten state. The observed melting trends and vitrification conditions depended on the cation structure in the materials.

Academic Significance and Societal Importance of the Research Achievements

近年、融解する配位高分子がいくつか報告され、それらは加工性やガラス形成能の点で注目されている。本研究では、イオン液体を用いて低融点配位高分子を合成する方法論を開拓し、多成分からなる配位高分子における不一致融解現象の一般性を示した。これらの結果は、低融点配位高分子の物質設計およびガラス化能制御の指針として、今後の機能性配位高分子開発に有用である。

Report

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

    (6 results)

All 2023 2022 2021 2020

All Journal Article (2 results) (of which Peer Reviewed: 2 results,  Open Access: 2 results) Presentation (4 results) (of which Int'l Joint Research: 2 results,  Invited: 3 results)

  • [Journal Article] Incongruent Melting and Vitrification Behaviors of Anionic Coordination Polymers Incorporating Ionic Liquid Cations2022

    • Author(s)
      Mochida Tomoyuki、Qiu Yi、Sumitani Ryo、Kimata Hironori、Furushima Yoshitomo
    • Journal Title

      Inorganic Chemistry

      Volume: 61 Issue: 36 Pages: 14368-14376

    • DOI

      10.1021/acs.inorgchem.2c02147

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Ionic liquid-containing coordination polymer: solvent-free synthesis, incongruent melting, and glass formation2022

    • Author(s)
      Mochida Tomoyuki、Qiu Yi、Funasako Yusuke、Inokuchi Makoto、Noguchi Mariko、Fujimori Hiroki、Furushima Yoshitomo
    • Journal Title

      Chemical Communications

      Volume: 58 Issue: 47 Pages: 6725-6728

    • DOI

      10.1039/d2cc01375d

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed / Open Access
  • [Presentation] Rhodium-Containing Ionic Liquid for the Solvent-Free Formation of Coordination Polymers2023

    • Author(s)
      角谷凌, 持田智行
    • Organizer
      日本化学会第103春季年会
    • Related Report
      2022 Annual Research Report
  • [Presentation] Construction of Amorphous Coordination Polymers From Liquid Metal Complexes2023

    • Author(s)
      T. Mochida, R. Sumitani
    • Organizer
      8th Asian Conference on Coordination Chemistry
    • Related Report
      2022 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Ionic Liquid Derivatives Containing Photoreactive Organometallic Cations: Reversible Transformation into Coordination Polymers in Response to External Stimuli2021

    • Author(s)
      T. Mochida, R. Sumitani
    • Organizer
      6th Iberoamerican Meeting on Ionic Liquids
    • Related Report
      2021 Research-status Report
    • Int'l Joint Research / Invited
  • [Presentation] イオン液体の光反応によって配位高分子を創る2020

    • Author(s)
      持田智行
    • Organizer
      ラドテック研究会 第168回講演会
    • Related Report
      2020 Research-status Report
    • Invited

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

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