A Statistical Interpretation of the Voltammetry of Adsorbed Substances under the Perspective View of the Digital Video Electrochemistry
Microchemical journal(2022)
摘要
Coupling cyclic voltammetry with digital video electrochemistry allows identifying different electrochemical processes overlapped. Mathematical description of the time evolution of mean color intensities and their standard deviation at the studied electrode surface during voltammetric experiments were developed. Parallel electrochemical reactions and the presence of colored intermediate species was also evaluated. Single expressions for the shape of these curves, including the maximum of peaks or the half-peak widths are analyzed on the basis of a single layer covered electrode. The good similitude among current, mean color intensities derivative and variance curves allows a statistical interpretation for these processes.
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关键词
Cyclic voltammetry,Digital Video Electrochemistry,Color efficiency,Surface color,Dispersion,Thin films
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