Citation: Zhi Yong Guo, Xiang Qin Lin. Ultrafast cyclic voltammetry with asymmetrical potential scan[J]. Chinese Chemical Letters, ;2008, 19(1): 85-88. doi: 10.1016/j.cclet.2007.10.057 shu

Ultrafast cyclic voltammetry with asymmetrical potential scan

Zhi Yong Guo ^a, ,
Xiang Qin Lin ^b

a Faculty of Materials Science and Chemical Engineering, The State Key Laboratory Base of Novel Functional Materials and Preparation Science, Ningbo University, Ningbo 315211, China;
b Department of Chemistry, University of Science and Technology of China, Hefei 230026, China

Received Date: 29 June 2007

Fund Project: We are grateful to the National Natural Science Foundation of China(No.20173054), and the Natural Science Foundation of Ningbo City(No.2006A610044).

Based on the perfect ohmic drop compensation by online electronic positive feedback, ultrafast cyclic voltammetry with asymmetrical potential scan is achieved for the first time, with the reduction of anthracene acting as the test system. Compared with the traditional cyclic voltammetry utilizing symmetrical triangular waveform as the excitation one, the new method allows a simpler approach to mechanistic analysis of ultrafast chemical reactions coupled with a charge transfer. And perhaps more important, it alsoprovides a way to eliminate the interference of the adsorbed product in dynamic monitoring.
- Ultrafast cyclic voitammetry,
- Asymmetrical potential scan,
- MV/s scan rates
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