Slow relaxation of conducting polymers: Differences between ring- and N-substituted polyanilines

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Abstract

A slow relaxation (“memory effect”) was found to proceed in a poly(o-toluidine) layer, placed at platinum electrode, whereas no slow relaxation was observed in poly(N-methylaniline). The difference between these two ring- and N-methylsubstituted polyaniline derivatives is discussed in terms of redox and doping processes, taking place during their redox interconversion.

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