Abstract
The preparation of thin polymeric films containing redox couples on carbon or platinum electrodes is described based on the oxidative electropolymerization of substituted pyrroles. The redox couples involved are pyrrole derivatives of the chromophore [Ru(bpy) 3] 2+ (bpy is 2,2'-bipyridine), the electron transfer acceptor paraquat (PQ 2+): ▪ and the electron transfer donor phenothiazine. Copolymeric films containing more than one redox couple have been prepared as having film structures in which there are spatially segregated bi- and trilayers, each layer containing a different couple.
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