Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/14983
Title: Ac voltammetric and impedance studies of the electrochemical oxidation of pyrrole in aqueous medium
Authors: Shiu, KK
Zhang, Y
Wong, KY 
Keywords: Ac voltammetry
Electropolymerization
Impedance
Pyrrole
Issue Date: 1995
Publisher: Elsevier
Source: Journal of electroanalytical chemistry, 1995, v. 389, no. 1-2, p. 105-114 How to cite?
Journal: Journal of electroanalytical chemistry 
Abstract: The electropolymerization of pyrrole on platinum electrodes has been studied by ac voltammetric and impedance techniques. Anionic species such as chloride, bathophenanthroline disulfonate and ferricyanide, when present in solution during polymerization, adsorbed on the electrode surfaces and increased the rate of the electropolymerization process. The impedance responses of pyrrole solutions were also affected by the applied potential. These anionic species also became incorporated in the polypyrrole film as a result of chemical adsorption and electrostatic interaction.
URI: http://hdl.handle.net/10397/14983
ISSN: 0022-0728
DOI: 10.1016/0022-0728(94)03838-T
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