Electrochemical polymerization of β-substituted and β,β'-disubstituted selenophenes

The electrochemical oxidation of selenophenes substituted in β- or β,β' -positions by electron-donating groups leads to the formation of conducting polymers. These polymers are formed either by repetitive cyclic voltammetry or by the potential step experiments. The chronoamperometric results sh...

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Bibliographic Details
Published in:Journal of electroanalytical chemistry and interfacial electrochemistry 1987-12, Vol.238 (1), p.225-237
Main Authors: Dian, Gérard, Merlet, Nadine, Barbey, Gérard, Outurquin, Francis, Paulmier, Claude
Format: Article
Language:English
Subjects:
Applied sciences
Exact sciences and technology
Organic polymers
Physicochemistry of polymers
Polymerization
Preparation, kinetics, thermodynamics, mechanism and catalysts
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Summary:The electrochemical oxidation of selenophenes substituted in β- or β,β' -positions by electron-donating groups leads to the formation of conducting polymers. These polymers are formed either by repetitive cyclic voltammetry or by the potential step experiments. The chronoamperometric results show that, for certain derivatives, the film formation process resembles the process observed in the electrodeposition of metals: a first step of nucleation is followed by three-dimensional growth which can be either progressive or instantaneous. These phenomena are governed by the electronic and steric effects of the substituents.
ISSN:0022-0728
DOI:10.1016/0022-0728(87)85176-8