Intra-Molecular Mobility of Charge Carriers along Conjugative Macromolecular Backbones

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  • SEKI Shu
    Department of Applied Chemistry, Graduate School of Engineering, Osaka University PRESTO, Japan Science and Technology Agency
  • FUKUMATSU Takahiro
    Department of Applied Chemistry, Graduate School of Engineering, Osaka University
  • SAEKI Akinori
    Department of Applied Chemistry, Graduate School of Engineering, Osaka University

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Other Title
  • 共役高分子骨格の電荷輸送特性
  • キョウヤク コウブンシ コッカク ノ デンカ ユソウ トクセイ

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Description

A variety of conjugated macromolecules have been successfully synthesized over the last 30 years, and their feasibility for practical electric (semi-)conducting materials has been investigated vigorously and continuously. The most important parameter determining the performance of electronic devices based on the conjugated macromolecules is the mobility of charge carriers, however the potentials of the macromolecular backbones as charge conductors are not fully revealed yet because impurities, grain boundaries, etc. have an effect on conventional measurement techniques. The non-contact measurement technique of electric conductivity using a microwave resonant cavity (TRMC) system has been developed, and successfully applied to estimate the value of mobility along isolated conjugated backbones, suggesting the usefulness of several of the conjugated macromolecular backbones as electric conductive pathways. We believe the present technique gives not only the value of intra-molecular mobility of charge carriers but also will aid the future design of conjugated macromolecules as candidates for the substitution of silicon-related materials.<br>

Journal

  • KOBUNSHI RONBUNSHU

    KOBUNSHI RONBUNSHU 68 (2), 53-61, 2011

    The Society of Polymer Science, Japan

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