PREPARATION AND CHARACTERIZATION OF SILVER NANOPARTICLES/CARBON NANOFIBERS VIA ELECTROSPINNING WITH RESEARCH ON THEIR CATALYTIC PROPERTIES

다국어 초록 (Multilingual Abstract)

Ag nanoparticles (Ag NPs) embedded carbon nano¯bers (CNFs) were prepared by a new routewhich included chemical reaction process, electrospinning and calcination technique. The mor-phology and structure of the composite nano¯bers were investigated by scanning electron mi-croscopy, energy dispersive X-ray spectroscopy, transmission electron microscopy and X-raydi®raction. It indicated that Ag NPs were uniformly distributed in the CNFs. This e®ectivesynthesis method can be used to prepare other composite nano¯bers with functionality. The AgNPs/CNFs that served as supported catalysts were used in the styrene epoxidation by TBHP. The Ag NPs/CNFs catalyst showed its highly catalytic activity for the epoxidation of styrene(conversion: 40.6%, SO selectivity: 35.9%). This kind of composite nano¯ber membrane wasproved e®ectively catalytic activity and recycled easily in the styrene epoxidation.

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