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Acta Physico-Chimica Sinica  2003, Vol. 19 Issue (10): 917-921    DOI: 10.3866/PKU.WHXB20031007
Article     
Electrochemical Properties of Methanofullerenes
Ning Bin;Fan Lou-Zhen;Zheng Li-Ping;Cao Yong;Guo Zhi-Xin
Department of Chemistry, Beijing Normal University, Beijing 100875; Institute of Polymer Optoelectronic Materials and Devices, South China University of Technology, Guangzhou 510640;Institute of Chemistry, Chinese Academy of Sciences, Beijing 100080
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Abstract  11 methanofullerenes have been investigated using cyclic voltammetry(CV) systematically and comparatively. The influence of the nature of groups introduced and chain length of substituents on the electron-accepting ability of methanofullerenes was observed. It was found that introducing electron-donating groups, such as alkyls, weaken the electron- accepting ability of C60 and make its first reduction wave shifted to more negative position. Introducing electron-withdrawing groups, such as carboxylic ester groups, compensate part of negative shift of the reduction wave due to the effect of the saturation of a fullerene double bond. It was also found that increasing the chain length of substituents would not obviously change the electron-accepting ability of C60. Furthermore, the split of reduction peaks of some methanofullerenes induced by electrochemical isomerization was explained.

Key wordsFullerene      Methanofullerene      Cyclic voltammetry(CV)      Electrochemical properties      Isomerization     
Received: 08 April 2003      Published: 15 October 2003
Corresponding Authors: Fan Lou-Zhen     E-mail: lzfan@bnu.edu.cn
Cite this article:

Ning Bin;Fan Lou-Zhen;Zheng Li-Ping;Cao Yong;Guo Zhi-Xin. Electrochemical Properties of Methanofullerenes. Acta Physico-Chimica Sinica, 2003, 19(10): 917-921.

URL:

http://www.whxb.pku.edu.cn/Jwk_wk/wlhx/10.3866/PKU.WHXB20031007     OR     http://www.whxb.pku.edu.cn/Jwk_wk/wlhx/Y2003/V19/I10/917

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