Preparation and Properties of Electro-Spun PVP / Silver Nanowire Composite Nanofibers

Abstract

The silver nanowires were produced by the hydrothermal reaction, and the influences of different reaction conditions on morphologies of silver nanowires were researched. Then the PVP/silver nanowire composite nanofibers with different concentrations of silver nanowires were produced by the way of electrospinning in order to research the morphologies and performances. And the optimal solution was obtained when the solutions were stirred for 10 minutes and then stood for 30 minutes. When the hydrothermal reactor was heated at 180°C for 24 hours, the morphologies of silver nanowires were the best. Morphologies of silver nanowires and composite nanofibers with different proportions of silver nanowires were examined by scanning electron microscope. Finally the antibacterial property was tested by the inhibition zone method and the photocatalytic performance was measured by the degradation of methyl orange. The results show that when the proportion of silver nanowires in composite nanofibers exceeds 5%, the antibacterial property is significantly improved; when the ratio of silver nanowires is 10%, the antibacterial property remains stable; when the proportions of silver nanoparticles and silver nanowires are same, the antibacterial property of PVP/silver nanowire composite nanofiber is better; the photocatalytic performance is better when the proportion of silver nanowires is 8%.