ELECTROCHEMICAL COPOLYMERIZATION OF ANILINE AND AZURE B

作     者：Dan Shan Shao-lin Mu Bing-wei Mao Yong-fang Li Department of Chemistry School of Science, Yangzhou University Yangzhou 225002, China State Key Laboratory of Physical Chemistry of Solid Surface, Xiamen University Xiamen 361005 China Center for Molecular Science. Institute of Chemistry Chinese Academy of Sciences, Beijing 100080 China 

作者机构：Department of Chemistry School of Science Yangzhou University Yangzhou 225002 China Stt. Key Lab. Phys. Chem. Solid S. Xiamen University Xiamen 361005 China Center for Molecular Science Institute of Chemistry Chinese Academy of Sciences Beijing 100080 China 

出 版 物：《Chinese Journal of Polymer Science》 (高分子科学（英文版）)

年 卷 期：2001年第19卷第5期

页      面：483-492页

核心收录：

学科分类：08[工学] 0805[工学-材料科学与工程（可授工学、理学学位）] 080502[工学-材料学] 

基　　金：This work was supported by the National Natural Science Foundation of China (No. 20074027)  the State Key Laboratory of Physical Chemistry of the Solid Surface at Xiamen University and the Laboratory of Organic Solids  Institute of Chemistry  Chinese Aca 

主　　题：aniline azure B electrochemical copolymerization characterization of copolymer electrochemical property 

摘      要：The electrochemical copolymerization of aniline and N,N,N -trimethylthionin (azure B) in aqueous solutions has been carried out using the potential sweep method. The optimum conditions for the coelectrodeposition are that the pH value and the temperature of the electrolytic solution are controlled at 5.57 and 30 degreesC, respectively, and the scan potential range is set between -0.25 and 1.10 V (versus SCE). The copolymerization rate of aniline and azure B is about 3 times larger than that of aniline in the absence of azure B. The copolymerization of aniline and azure B was verified from the results of visible spectra during electrolysis, FTIR spectra and the atomic force microscopy (AFM) images of the polymers. The in situ visible spectrum for the electrolysis of the solution containing aniline and azure B is different from that of the respective aniline and azure B. The FTIR spectrum of the copolymer is not a superposition of that of polyaniline and poly(azure B). The AFM image of the copolymer is different from those of polyaniline and poly(azure B) and is not a mixture of individual polymers. The conductivity of the copolymer synthesized at pH 5.57 is four orders of magnitude higher than that of polyaniline synthesized under the same conditions, but in the absence of azure B. The electrochemical properties of the copolymer are mainly attributed to polyaniline, but the copolymer has a better electrochemical reversibility and a much faster charge transfer than those of polyaniline.