The correlation between electrochemical impedance spectra and voltammograms of PB films in aqueous NH4Cl and CsCl

被引：35

作者：

Garcia-Jareno, JJ ^{[1
]}

Navarro-Laboulais, J ^{[1
]}

Sanmatias, A ^{[1
]}

Vicente, F ^{[1
]}

机构：

[1] Univ Valencia, Fac Quim, Dept Quim Fis, E-46100 Burjassot, Valencia, Spain

来源：

ELECTROCHIMICA ACTA | 1998年 / 43卷 / 09期

关键词：

Prussian Blue films; electrochemical impedance spectroscopy; ammonium and cesium chloride influence; electron-hopping;

D O I：

10.1016/S0013-4686(97)00270-3

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

Voltammetric curves of reduction of Prussian Blue Films to the Everitt's Salt form and oxidation to the Prussian Yellow form show important differences depending on the supporting electrolyte countercation. The rate of the overall electron-hopping depends on the countercation. Apparent diffusion coefficients are evaluated from impedance spectra at different stabilization potentials. The dependence of the apparent diffusion coefficients on the stabilization potential can help understand the dependence of the voltammograms shape on the countercation nature. (C) 1998 Elsevier Science Ltd. All rights reserved.

引用

页码：1045 / 1052

页数：8

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