▎ 摘　　要

In this work, we reported one kind of photocatalytic and antibacterial materials, Ag/Ag2S/reduced graphene oxide (rGO), which prepared by the hydrothermal and UV-light-assisted reduction methods. The Ag2S nanoparticals were well dispersed on the surface of rGO as revealed by series of characterization. The obtained Ag/Ag2S/rGO photocatalyst showed excellent photocatalytic degradation efficiency of 87.6% for ciprofloxacin (CIP) under visible light irradiation and outstanding antibacterial activity for Escherichia coli (E. coli) which reached to 97.76% in 24 h. The trapping of active species showed that the hydroxyl radicals, holes and superoxide radicals played important roles in the photocatalytic degradation of CIP processes. (c) 2017 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.