有機合成化学協会誌
Online ISSN : 1883-6526
Print ISSN : 0037-9980
ISSN-L : 0037-9980
総説および総合論文
エレクトロクロミック機能を有する有機/金属ハイブリッドポリマーの開発と表示デバイスへの応用
樋口 昌芳
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ジャーナル 認証あり

2011 年 69 巻 3 号 p. 229-235

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Electronic paper has received much attention as next generation display to contribute energy- and resource-saving, because electronic paper can hold images even after the power is turned off unlike conventional displays such as liquid crystalline one. Electronic books bearing an electrophoretic type of electronic paper are already commercially available, but the colorization is becoming one of significant subjects in electronic paper. Electrochromic type of electronic paper is expected to achieve the colorization, since electrochromic materials can show various colors. Recently, we found organic-metallic hybrid polymers formed by the complexation of metal ions as Fe(II) or Ru(II) with bis(terpyridine) ligands have specific colors based on metal-to-ligand charge transfer (MLCT) absorption and show electrochromic properties, which is caused by electrochemical redox of the metal ions. Interestingly, multicolor electrochromic change is also possible by the introduction of two types of metal ions into the polymer. In addition, solid-state electrochromic displays using the organic-metallic hybrid polymers was fabricated successfully. The new electrochromic materials and the devices have possibility to be applied to color electronic paper in the future.

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© 2011 社団法人 有機合成化学協会
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