Electrochemical and morphological study of the effect of polymerization conditions on poly(tetrathiophene) with emphasis on carbon fiber microelectrodes: A cyclic voltammetry and atomic force microscopy study

Electropolymerization of tetrathiophene was carried out in various solvents on carbon fiber microelectrodes and platinum electrodes. Acetonitrile, dichloroethane and propylene carbonate were investigated as solvent systems for film formation, and solvent effect as well as the effect of other experim...

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Bibliographic Details
Published in:Carbon (New York) 2003, Vol.41 (14), p.2725-2730
Main Authors: Sezai Sarac, A, Evans, Una, Serantoni, Marina, Cunnane, Vincent J
Format: Article
Language:English
Subjects:
A. Carbon fibers
B. Coating
Chemistry
D. Electrochemical properties
Exact sciences and technology
General and physical chemistry
Solutions
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Summary:Electropolymerization of tetrathiophene was carried out in various solvents on carbon fiber microelectrodes and platinum electrodes. Acetonitrile, dichloroethane and propylene carbonate were investigated as solvent systems for film formation, and solvent effect as well as the effect of other experimental conditions (scan rate, supporting electrolyte) on the electropolymerization has been discussed on the basis of the electropolymerization mechanism. Surface morphology was investigated by atomic force microscopy (AFM). Carbon fiber electrodes were found to be an effective microelectrode system for the electropolymerization of tetrathiophene, which was compared with polyterthiophene growth on carbon fibers.
ISSN:0008-6223
1873-3891
DOI:10.1016/S0008-6223(03)00331-2