Control of Structures and Properties of Organic-Metallic Hybrid Polymers

  • HIGUCHI Masayoshi
    WPI Center of Materials Nanoarchitectonic (MANA), National Institute for Materials Science (NIMS) PRESTO, Japan Science and Technology Agency

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  • 有機/金属ハイブリッドポリマーにおける構造制御と電子・光機能制御
  • ユウキ キンゾク ハイブリッド ポリマー ニ オケル コウゾウ セイギョ ト デンシ ヒカリ キノウ セイギョ

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Abstract

Bis(terpyridine)s with different substituents (methyl, methoxy, bromo, tri(ethylene glycol) and chiral tetra(ethylene glycol)) and spacer units (phenyl, biphenyl, terphenyl and oligoacetylphenyl) are synthesized as the organic module via the Kröhnke reaction, Suzuki coupling and Sonogashira coupling. Organic-metallic hybrid polymers were obtained during complexation of the organic modules with metal ions such as Fe(II) and Ru(II) ions. The molar ratio between the organic module and metal ion and the complexation constants in the polymerization were determined by UV-vis monitored titration. The substituents of the organic modules dramatically change the structures and properties of the resulting hybrid polymers: (1) induced circular dichroism is observed in the hybrid polymers, when the organic modules with chiral moieties are included. (2) Tri(ethylene glycol) chains prevents quenching of the luminescence of the hybrid polymers bearing iron(II) ions. In addition, electrochromic solid-state devices using the hybrid polymers were fabricated successfully.<br>

Journal

  • KOBUNSHI RONBUNSHU

    KOBUNSHI RONBUNSHU 67 (7), 368-374, 2010

    The Society of Polymer Science, Japan

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