Abstract
The rate limiting steps of the charge transfer between the solution and a conducting polymer during the switching between oxidation states are investigated by means of ac electrogravimetry. It is shown that the polymer requires anion entry and cation and solvent expulsion to compensate for the positive charges formed during the polymer oxidation. The insertion/expulsion laws, the diffusion coefficients of the species, and the atomic weights of the inserted/expelled species are determined.
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