SURFACE-REDOX REACTION-MECHANISM OF QUINONES ADSORBED ON BASAL-PLANEPYROLYTIC GRAPHITE-ELECTRODES

被引：66

作者：

KANO, K

UNO, B

机构：

[1] Gifu Pharmaceutical University, Gifu 502

来源：

ANALYTICAL CHEMISTRY | 1993年 / 65卷 / 08期

关键词：

D O I：

10.1021/ac00056a024

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

Reversible and quasi-reversible cyclic voltammograms of 9,10-phenanthrenequinone, 1,4-benzoquinone, chloranil, 1,4-naphtoquinone, 9,10-anthraquinone, and 5,12-naphthacene-quinone adsorbed on basal-plane pyrolytic graphite electrodes have been theoretically analyzed in view of a one-step two-electron mechanism and a two-step one-electron mechanism. In each mechanism, the Frumkin-type interaction between the adsorbed molecules is taken into account and curve-fitting analysis of current-potential curves is presented. Detailed analysis has revealed that the electrochemistry of the adsorbed quinones can be well interpreted on the basis of the two-stop mechanism rather than the one-step mechanisms.

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页码：1088 / 1093

页数：6

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