Electrochemical copolymerization of aniline and azure B
Shan, D; Mu, SL; Mao, BW; Li, YF
AbstractThe 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.
KeywordAniline Azure b Electrochemical Copolymerization Characterization Of Copolymer Electrochemical Property
Indexed BySCI
WOS IDWOS:000170675700008
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Cited Times:14[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Corresponding AuthorMu, SL
Affiliation1.Yangzhou Univ, Sch Sci, Dept Chem, Yangzhou 225002, Peoples R China
2.Xiamen Univ, State Key Lab Phys Chem Solid Surface, Xiamen 361005, Peoples R China
3.Chinese Acad Sci, Inst Chem, Ctr Mol Sci, Beijing 100080, Peoples R China
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GB/T 7714
Shan, D,Mu, SL,Mao, BW,et al. Electrochemical copolymerization of aniline and azure B[J]. CHINESE JOURNAL OF POLYMER SCIENCE,2001,19(5):483-492.
APA Shan, D,Mu, SL,Mao, BW,&Li, YF.(2001).Electrochemical copolymerization of aniline and azure B.CHINESE JOURNAL OF POLYMER SCIENCE,19(5),483-492.
MLA Shan, D,et al."Electrochemical copolymerization of aniline and azure B".CHINESE JOURNAL OF POLYMER SCIENCE 19.5(2001):483-492.
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