Fabrication of Ag/Polypyrrole (PPy) Coaxial Nanocables Through Ions Adsorption Method

Chem. J. Chinese Universities

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Fabrication of Ag/Polypyrrole (PPy) Coaxial Nanocables Through Ions Adsorption Method

XIE Hu-Xiao, QIU Teng, LI Xiao-Yu*

Key Laboratory for Nano-materials, Ministry of Education, School of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, China

Received:2007-09-29 Revised:1900-01-01 Online:2008-05-10 Published:2008-05-10
Contact: LI Xiao-Yu

Abstract

Abstract: A new method for the fabrication of Ag/PPy coaxial nanocables based on the ion adsorption on the nanowires' surface was developed. The Ag nanowires(NWs) with uniform diameters of about 40—50 nm were obtained through polyol reduction with poly(vinylpyrrolidone) (PVP) as the capping agent. The Ag-NW was dispersed in the Cu(Ac)₂ aqueous solution for the adsorption of Cu²⁺ on the surface of the Ag-NWs. The Cu²⁺ on the Ag-NW surface was then served as the active central to oxidize pyrrole monomer to PPy on the surface of Ag-NWs. The structures of the coaxial nanocables' of the final products were characterized by TEM, FTIR, Raman spectrum and XPS to study the composite of the finial product and the chemical environment of Cu⁺.

Key words: Coaxial nanocable, Ions adsorption, Cu(Ac)₂, Polypyrrole, Silver nanowire

CLC Number:

O631

TrendMD:

XIE Hu-Xiao, QIU Teng, LI Xiao-Yu*. Fabrication of Ag/Polypyrrole (PPy) Coaxial Nanocables Through Ions Adsorption Method[J]. Chem. J. Chinese Universities, doi: .

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Fabrication of Ag/Polypyrrole (PPy) Coaxial Nanocables Through Ions Adsorption Method

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