Citation: Zhi Yong GUO, Xiang Qin LIN, Yan Hui XU. Direct Electrochemical Evidence of the Dissociation and Adsorption Behavior of Acetonitrile at Gold Electrodes by Ultrafast Voltammetry[J]. Chinese Chemical Letters, ;2006, 17(4): 513-516. shu

Direct Electrochemical Evidence of the Dissociation and Adsorption Behavior of Acetonitrile at Gold Electrodes by Ultrafast Voltammetry

1.
Department of Chemistry, University of Science and Technology of China, Hefei 230026;
2.
College of Science, Ningbo University, Ningbo 315211

Received Date: 12 September 2005

Fund Project: This work was financed by the National Natural Science Foundation of China (No. 20173054).

Ultrafast cyclic voltammetry was used to study the redox behavior of a gold electrode in acetonitrile. The direct electrochemical evidence of the dissociation and adsorption behavior of acetonitrile at gold electrodes was found. It could be stated that two consecutive redox paths are involved, each with a special adsorption state acting as the reaction intermediate. The mean value, obtained of the electron-transfer rate constant of the second path, was 1.3×10⁵ s^-1 with a standard deviation of 0.24×10⁵ s^-1.
- Gold electrode,
- acetonitrile,
- adsorption,
- ultrafast voltammetry
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