An In Situ Electrochemical Quartz Crystal Microbalance Study of the Dissolution Process of a Gold Electrode in Perchloric Acid Solution Containing Chloride Ion
- 1 May 1998
- journal article
- Published by The Electrochemical Society in Journal of the Electrochemical Society
- Vol. 145 (5) , 1614-1623
- https://doi.org/10.1149/1.1838526
Abstract
The anodic dissolution process of a Au(111) oriented electrode in solution containing various concentrations of chloride ion was investigated using an electrochemical quartz crystal microbalance (EQCM) under potential sweep and potentiostatic conditions. The in situ EQCM results clearly demonstrated that gold dissolves through a 3e− oxidation process in the anodic potential region. No evidence for the 1e− dissolution was obtained in the present study.Keywords
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