Spectroscopic and electrochemical studies of transition metal tetrasulfonated phthalocyanines: Part V. Voltammetric studies of adsorbed tetrasulfonated phthalocyanines (MTsPc) in aqueous solutions |
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| Authors: | S. Zecevic B. Simic-Glavaski E. Yeager A.B.P. Lever P.C. Minor |
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| Affiliation: | Case Western Reserve University, Case Center for Electrochemical Sciences, and the Department of Chemistry, Cleveland, OH 44106 U.S.A.;York University, Department of Chemistry, Downsview, Ontario, M3J 1[3 Canada |
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| Abstract: | Cyclic voltammetric measurements of adsorbed Fe- and Co-tetrasulfonated phthalocyanine (TsPc) and Co-phthalocyanine (Pc) have been carried out on ordinary pyrolytic graphite and silver electrodes at different solution pH ranging from 1 to 13. Many voltammetric peaks were found to be pH dependent with a slope of ?59 mV/ unit pH. In some instances this dependence was observed in alkaline or acid solutions only. The influence of oxygen has been also examined. |
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| Keywords: | To whom correspondence should be addressed. |
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