The preparation of poly(3-methoxy-2,5-thiophenediyl) with iron(III) chloride and its properties.

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概要

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• Soluble and conductive poly(3-methoxy-2,5-thiophenediyl) was obtained by the chemical oxidation of 3-methoxythiophene with iron(III) chloride. The resulting polymer was found to be in a doped state, since it contained 0.1–0.2 counterions (FeCl<SUB>4</SUB><SUP>−</SUP> and Cl<SUP>−</SUP>) per monomeric unit. This means that the oxidation is a convenient method for preparing conductive polymers in one step. We also obtained a poly-MOT solution and film in a state doped to a great extent, showing no π–π<SUP>*</SUP> transition band and a high stability in air. An undoped polymer film was prepared by the electrochemical reduction of the doped film. The undoped film had a π–π<SUP>*</SUP> transition band at 2.3 eV, indicating that the effective conjugation length of the polymer could be assumed to be the same as that of the poly(3-methoxythiophene) prepared electrochemically.

• 公益社団法人 日本化学会の論文

著者

• Kaeriyama Kyoji

  Research Institute for Polymers and Textiles

• Tanaka Susumu

  Research Institute for Polymers and Textiles

関連論文

• Nonlinear Conductivity of Poly(3-methylthiophene) under a Low Electric Field in the Low Frequency Range : Electrical Properties of Condensed Matter
• The preparation of poly(3-methoxy-2,5-thiophenediyl) with iron(III) chloride and its properties.
• Preparation of noble metal organosols containing polyethylene glycol mono-p-nonylphenyl ether.

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