ICCAS OpenIR
Two reduction processes of conducting polypyrrole tosylate film in aqueous solutions
Li, YF; Deng, BH; He, GF; Wang, RQ; Yang, CH
2001-01-10
Source PublicationJOURNAL OF APPLIED POLYMER SCIENCE
ISSN0021-8995
Volume79Issue:2Pages:350-355
AbstractThe electrochemical properties of polypyrrole tosylate [PPy(TsO-)] in aqueous solutions were investigated by cyclic voltammetry and ac impedance measurements. The cyclic voltammograms (CVs) of PPy(TsO-) show two reduction processes. Two doping sites of the counteranions in PPy(TsO-), site A with the counteranions located between the PPy layers and site B with the counteranions located in the PPy layers, were proposed based on the results of the electrochemical studies, and the partial counteranion exchange occurred when PPy(TsO-) was dipped in a 1 mol/L HNO3 aqueous solution. The reduction of site A is accompanied by the dedoping of counteranions and the reduction of site B is carried out with the insertion of solution cations. The electrochemical kinetics of the redox processes of site A was analyzed based on the ac impedance results. (C) 2000 John Wiley & Sons, Inc.
KeywordPolypyrrole Tosylate Cyclic Voltammograms Ac Impedance Aqueous Solutions Doping Sites
Indexed BySCI
Language英语
WOS IDWOS:000165551200019
PublisherJOHN WILEY & SONS INC
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Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/77576
Collection中国科学院化学研究所
Corresponding AuthorLi, YF
AffiliationChinese Acad Sci, Inst Chem, Ctr Mol Sci, Beijing 100080, Peoples R China
Recommended Citation
GB/T 7714
Li, YF,Deng, BH,He, GF,et al. Two reduction processes of conducting polypyrrole tosylate film in aqueous solutions[J]. JOURNAL OF APPLIED POLYMER SCIENCE,2001,79(2):350-355.
APA Li, YF,Deng, BH,He, GF,Wang, RQ,&Yang, CH.(2001).Two reduction processes of conducting polypyrrole tosylate film in aqueous solutions.JOURNAL OF APPLIED POLYMER SCIENCE,79(2),350-355.
MLA Li, YF,et al."Two reduction processes of conducting polypyrrole tosylate film in aqueous solutions".JOURNAL OF APPLIED POLYMER SCIENCE 79.2(2001):350-355.
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