Abstract
AbstractWe propose a modified kinetic equation for the galvanostatic electropolymerization of pyrrole based on equal rates of monomer disappearance and its galvanostatic electropolymerization associated with applied current (I). The equation is distinguished by a zero‐order kinetic plot and takes into account the effects of the pyrrole initial concentration ([M]0) and current efficiency (η). We propose a mechanism for obtaining a η of less than 100% and increasing η with increasing [M]0 and I on the basis of the diffusion of radical cations (M•+) from the anode surface to the bulk solution after the electroreduction of M•+ to monomer molecules at the cathode. © 2005 Wiley Periodicals, Inc. J Appl Polym Sci 97: 1167–1169, 2005
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