▎ 摘　　要

Ag loaded TiO2 nanowire arrays/graphene oxide coated carbon fiber composites (Ag-TiO2NAs@GOCF) with a large surface area, high photocatalytic efficiency and a good visible light response was synthesized use the new method by growing of titania nanowire arrays (TiO2NAs) on the surface of graphene oxide coated carbon fibers (GOCF) prior to loading with Ag. The Ag-TiO2NAs@GOCF was characterized by X-ray Diffraction (XRD), Fourier Transform Infrared spectra (MIR) and Scanning Electron Microscopy (SEM), Raman spectra, Brunner-Emmet-Teller measurements (BET), UV-vis diffuse reflectance spectra (DRUVS) and the optimum catalytic conditions of Ag-TiO2NAs@GOCF such as pH, catalyst concentration, initial antibiotic concentration, illumination time, reused times were explored and the photocatalytic degradation mechanism was discussed. The catalytic activity of the new catalyst was improved and the photocatalytic efficiency of the catalyst was increased. The maximum photocatalytic efficiency of the AgTiO2NAs@GOCF for tetracycline hydrochloride was 95.73%. This work provided a simple but effective approach to synthesize the novel catalyst and the Ag-TiO2NAs@GOCF has great potential application value for treatment of medicine wastewater. (C) 2017 Elsevier B.V. All rights reserved.