The structure of various conducting polypyrrole synthetized in an aqueous medium and the interactions between the doping ion and the polymeric chain have been investigated by X-ray photoelectron spectroscopy (XPS). Such a dedoped polypyrrole membrane exhibites a memory effect for the anionic doping in solution. This effect, closely related to the nature of the ion, is well marked for films obtained at relatively low oxidation potential. Simultaneously, a road has been found to incorporate preferably large organic dopant anions.
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Xi An Jiao Tong Univ, Sch Elect & Informat Engn, Xian 710049, Peoples R ChinaXi An Jiao Tong Univ, Sch Elect & Informat Engn, Xian 710049, Peoples R China
Wang Jie
Xu You-Long
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Xi An Jiao Tong Univ, Sch Elect & Informat Engn, Xian 710049, Peoples R ChinaXi An Jiao Tong Univ, Sch Elect & Informat Engn, Xian 710049, Peoples R China
Xu You-Long
Chen Xi
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Xi An Jiao Tong Univ, Sch Elect & Informat Engn, Xian 710049, Peoples R ChinaXi An Jiao Tong Univ, Sch Elect & Informat Engn, Xian 710049, Peoples R China
Chen Xi
Du Xian-Feng
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Xi An Jiao Tong Univ, Sch Elect & Informat Engn, Xian 710049, Peoples R ChinaXi An Jiao Tong Univ, Sch Elect & Informat Engn, Xian 710049, Peoples R China
Du Xian-Feng
Li Xi-Fei
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Xi An Jiao Tong Univ, Sch Elect & Informat Engn, Xian 710049, Peoples R ChinaXi An Jiao Tong Univ, Sch Elect & Informat Engn, Xian 710049, Peoples R China