Electropolymerization of acetonitrile solutions containing aniline and thiophene |
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| Affiliation: | 1. Department of Chemistry, Gaziosman Paşa University, Tokat 60100, Turkey;2. Department of Chemistry, Hacettepe University, Beytepe, Ankara 06532, Turkey;1. Jiangxi Key Laboratory of Organic Chemistry, Jiangxi Science and Technology Normal University, Nanchang 330013, China;2. Jiangxi Engineering Laboratory of Waterborne Coatings, Jiangxi Science and Technology Normal University, Nanchang 330013, China;1. Institute of Chemistry, Henan Academy of Sciences, Zhengzhou 450002, PR China;2. High & New Technology Research Center, Henan Academy of Sciences, Zhengzhou 450002, PR China;3. Construction and Administration Bureau of South-to-North Water Diversion Middle Route Project, Zhengzhou 450016, PR China;1. Multi-Phase Mass Transfer and Reaction Engineering Laboratory, School of Chemical Engineering, Sichuan University, Chengdu 610065, PR China;2. Insitute of New Energy and Low-carbon Technology, Sichuan University, Chengdu 610065, PR China;1. Department of Chemistry, Faculty of Science, Universiti Putra Malaysia, 43400 Serdang, Selangor, Malaysia;2. Functional Devices Laboratory, Institute of Advanced Technology, Universiti Putra Malaysia, 43400 Serdang, Selangor, Malaysia |
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| Abstract: | The effect of thiophene on the electropreparation and properties of polyaniline was investigated. The presence of thiophene in solutions of aniline in acetonitrile accelerates the formation and causes an improvement in the conductivity of polyaniline films. A catalytic mechanism related to the role of thiophene cation radicals which involves chemical and electrochemical oxidation steps is proposed. In acidic solutions containing higher thiophene to aniline concentration ratios thiophene enters into the structure of the polymer forming a copolymer. The structure and properties of this novel conducting polymer were elucidated using cyclic voltammetry, GCMS, elemental analysis and DSC methods. |
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