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Electrochemical copolymerization of 3,4-ethylenedioxythiophene and 5-methylindole and characterizations of the copolymers

✍ Scribed by Guangming Nie; Liangyan Qu; Yan Zhang; Jingkun Xu; Shusheng Zhang

Publisher: John Wiley and Sons
Year: 2008
Tongue: English
Weight: 327 KB
Volume: 109
Category: Article
ISSN: 0021-8995
DOI: 10.1002/app.28112

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✦ Synopsis

Abstract

Electrocopolymerization of 3,4‐ethylenedioxythiophene (EDOT) and 5‐methylindole (5MeIn) was successfully carried out in acetonitrile containing lithium perchlorate as supporting electrolyte although the oxidation potentials of 5MeIn and EDOT were quite different. The influence of feed ratios and applied potentials on the copolymerization were investigated. The novel low band gap copolymers own both the advantages of P5MeIn and poly(3,4‐ethylenedioxythiophene), i.e., good redox activity, good thermal stability, and high conductivity. The resulting copolymers were characterized by electrochemistry, FT‐IR and ultra violet‐visible spectroscopy, elemental analysis, thermal analysis, conductivity, and scanning electron microscopy, respectively. © 2008 Wiley Periodicals, Inc. J Appl Polym Sci, 2008

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