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Abstract
AbstractElectrochemical oxidation of diphenylamine (DPA) in acetonitrile solution produced an adhesive conducting polydiphenylamine (PDPA) film on the electrode, which exhibited multiple colour variation in a wide range of potential. The polymer was characterized by cyclic voltammetry, FTIR and ESR. The results indicate that the electropolymerization of diphenylamine performs via the 4,4′ CC phenyl‐phenyl coupling mechanism. FTIR, ESR and conductivity measurements for the different states of PDPA show that polydiphenylamine can be reversibly doped and dedoped either chemically or electrochemically. It is evidenced also that there are paramagnetic species—polarons in PDPA supposed to be the current carrier.
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