Ag/AgCl coated polyacrylonitrile nanofiber membranes: Synthesis and photocatalytic properties |
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Authors: | Junyu Lei Wei Wang Mingxin Song Bo Dong Zhenyu Li Ce Wang Lijuan Li |
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Affiliation: | aAlan G. MacDiarmid Institute, Jilin University, Changchun 130012, PR China;bDepartment of Chemistry and Biochemistry, California State University, Long Beach, CA 90840, USA |
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Abstract: | A membrane based photocatalyst consisting of Ag/AgCl coated PAN nanofibers was synthesized in large quantities by electrospinning technique combining electroless plating method and subsequent in situ oxidation strategy. Electrospinning was firstly used to fabricate PAN/AgNO3 composite nanofibers. After reduction, Ag nanoparticles dispersed along the nanofibers act as seeds in the following metal electroless plating step for the growth of continuous Ag shell. Then an in situ oxidation reaction between Ag shells and FeCl3 solution was carried on to prepare Ag/AgCl coated PAN nanofiber membranes. The as-prepared materials exhibited excellent photocatalytic activity under visible-light, long-term stability, flexibility, as well as easy separation from the liquid. The present work can open a new and effective route for preparing high-performance membrane based photocatalysts for practical application. |
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Keywords: | Electrospinning Nanofiber membranes Core shell structure Photocatalysis Electroless plating |
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