Abstract
Anodic polymerization of 2,9,16,23-tetraamino substituted copper phthalocyanine is studied in 0.1 M Bu4NBF4and Bu4NClO4in dimethylformamide (DMF). The electropolymerization rate in DMF is two to three times that in dimethyl sulfoxide, due to a lesser donor ability of DMF and a weaker blocking of radical cations formed during the oxidation of initial copper phthalocyanine. According to a study of the electrochemical behavior of polymerized copper phthalocyanine in neutral aqueous solutions, the anodic doping of the polymer is accompanied by one redox transition. The two redox transitions, observed in an aqueous solution of acid, are explained by two successive steps of oxidation of an aniline-like structure or by the involvement of two protonated systems in the doping process, specifically, a stacked system (phthalocyanine ligands collected in parallel stacks) and a polyaniline system.
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Alpatova, N.M., Ovsyannikova, E.V., Tomilova, L.G. et al. Anodic Doping of Electropolymerized Copper 2,9,16,23-Tetraaminophthalocyanine. Russian Journal of Electrochemistry 37, 1012–1016 (2001). https://doi.org/10.1023/A:1012354626524
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DOI: https://doi.org/10.1023/A:1012354626524