Electrooxidation of Poly (p-Aminoazobenzene) Films-Kinetic Studies

• Autorzy: Frydrychewicz A. , Jackowska K.
• Języki publikacji: EN

Abstrakty

EN

The electrooxidation of poly (p-aminoazobenzene) [poly (p-AAB)] was studied in the presence of H+ and of Fe(CN)6 4 ions by the means of cyclic voltammetry, chronoamperometry and rotating disc electrode. The diffusion coefficients and heterogeneous rate constants were determined from the analysis of Cottrell and Levich-Koutecky plots. It has been found, that the oxidation of poly (p-AAB) in acidic solution is kinetically controlled and independent of the transport of H+ ions to the polymer surface. The results obtained in the presence of Fe(CN)6 4 have shown that poly (p-AAB) films are permeable to the ions from electrolyte solution.

Słowa kluczowe

EN

poly(p-aminoazobenzene); electrooxidation; ion permeability

• Wydawca: Polskie Towarzystwo Chemiczne
• Czasopismo: Polish Journal of Chemistry
• Rocznik: 2004
• Tom: Vol. 78 / nr 9
• Strony: 1523--1532
• Opis fizyczny: Bibliogr. 18 poz., rys.

Twórcy

autor

Frydrychewicz A.

autor

Jackowska K.

• Laboratory of Electrochemistry, Department of Chemistry, Warsaw Uniwersity,Pasteura 1, 02-093 Warsaw, Poland

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