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Electrochemical characteristics of poly(ophenylendiamine) film electrodes in phosphatic solution 被引量:1
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作者 Ye, BX Zhang, WM Zhou, XY 《Chinese Journal of Chemistry》 SCIE CAS CSCD 1997年第4期343-352,共10页
The electrochemical characteristics of poly(o-phenylendiamine) (POPD) film modified electrodes have been investigated using different electrochemical techniques. The main interest is focused on the effect of potential... The electrochemical characteristics of poly(o-phenylendiamine) (POPD) film modified electrodes have been investigated using different electrochemical techniques. The main interest is focused on the effect of potential and film thickness on the electrode process. Good agreement has been found for the apparent diffusion coefficient estimated by chronocoulometry and impedance spectroscopy. The charge transfer process within POPD films is diffusion processes at negative and positive overpotentials and electron hopping mechanism at formal potential. The POPD film conductivity of the oxidized state is better than that of the reduced state. For all electrode processes, the H+ may penetrate the film/electrolyte interface and take part in charge transfer or protonation-deprotonation of phenazine rings. 展开更多
关键词 ELECTROPOLYMERIZATION o-phenylendiamine ELECTROCHEMISTRY
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