Summary
The electrochemical properties of poly(4,4′-diphenylamine methylenes) and poly(4,4′-diphenylimine methines) were investigated by cyclic voltammetry. A dehydrogenation reaction occured when poly(4,4′-diphenylamine methylenes) underwent a electrochemical reaction and transformed to poly(4,4′-diphenylimine methines). The fully oxidized poly(4,4′-diphenylimine methines) had the electrochemical band gaps of 1.60–1.72 eV, which were found to significantly smaller than those of the fully reduced poly(4,4′-diphenylamine methylenes).
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Chen, WC., Jenekhe, S.A. The electrochemical properties of polyaniline derivatives: poly(4,4′-diphenylamine methylenes) and poly(4,4′-diphenylimine methines). Polymer Bulletin 34, 63–69 (1995). https://doi.org/10.1007/BF00294889
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DOI: https://doi.org/10.1007/BF00294889