In-situ electrochemical atomic force microscopy studies of aqueous corrosion and inhibition of copper
作者： G Bertrand , E Rocca , C Savall , C Rapin , J.-C Labrune
DOI: 10.1016/S0022-0728(00)00163-7
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摘要: Abstract The corrosion of copper surfaces immersed in various electrolytes under potentiodynamic conditions at room temperature is studied by in-situ electrochemical atomic force microscopy (ECAFM). ECAFM experimental settings used to study are discussed, and the composition different layers identified voltamperometric analysis. In sulfuric acid sodium sulfate solutions, an important species displacement controlled via more or less complex dissolution–precipitation reactions pointed out surface electrode. addition, it shown that this movement irreversibly changes relief metallic surface. Conversely, when passivated both a borate solution heptanoate solution, oxidation process electrode weaker reversible. Moreover, inhibiting action confirmed: soap overlayer appears on mechanism.
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