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Silver nanoparticles on flower-like TiO2-coated polyacrylonitrile nanofibers: Catalytic and antibacterial applications

Nanofibrous mats were extensively studied as attractive membranes materials applied in the fields of biomedicine, filtration, catalysis, and biosensors due to their flexibility and porosity. In this current work, we have demonstrated an eco-friendly method for the preparation of novel three-dimensional silver nanoparticles (AgNPs)/titanium dioxide (TiO2)/hydrolyzed polyacrylonitrile (hPAN) nanostructures with favorable flower-shaped architectures. It combined with electrospinning technique, liquid phase deposition method and photoreduction. The experimental results show that the TiO2 coating and AgNPs deposition increased the fiber surface roughness and specific surface area. And the results of antimicrobial activity assay revealed that the AgNPs/TiO2/hPAN composites nanofibrous mats exhibited excellent antibacterial activity and the photocatalytic assay indicated that the mats prepared in 1mM silver nitrate solution showed strong catalytic properties.

» Author: Yun He, Bin Zhou, Hongshan Liang, Lin Wang, Jing Li, Bin Li

» Reference: Colloids and Surfaces A: Physicochemical and Engineering Aspects, Volume 529

» Publication Date: 20/09/2017

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This project has received funding from the European Union Seventh Framework Programme (FP7/2007-2013) under grant agreement n° [609203].

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