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An EQCM study of the electrochemical behaviors of polycrystalline gold electrode in sulfuric acid solution

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Wuhan University Journal of Natural Sciences

Abstract

The electrochemical quartz crystal microbalance (EQCM) was applied to study the electrochemical behaviors of polycrystalline Au in sulfuric acid solution. The large mass change observed in the doublelayer region was attributed to the partly discharged adsorption of sulfate anions with the co-adsorption of H2O. According to the observed EQCM frequency response, the formation mechanism of surface oxide was reasonably postulated, in which the roles of the adsorbed anions and the co-adsorbed H2O were particularly emphasized.

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Supported by the National Natural Science Foundation of China

Chen Shengli: born in 1968, Ph. D.

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Shengli, C., Bingliang, W. & Hong, Z. An EQCM study of the electrochemical behaviors of polycrystalline gold electrode in sulfuric acid solution. Wuhan Univ. J. Nat. Sci. 3, 102–107 (1998). https://doi.org/10.1007/BF02827526

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  • DOI: https://doi.org/10.1007/BF02827526

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