▎ 摘　　要

NOVELTY - Preparation of silver/zinc oxide/graphene oxide composite visible light catalyst comprises using zinc salt and urea as precursors and trisodium citrate as structure directing agent, preparing spherical zinc oxide by hydrothermal method, preparing silver/zinc oxide binary composite material by chemical deposition method using silver salt as precursor, adding silver/zinc oxide binary composite material to graphene oxide dispersion and heating. USE - The method is used for preparing silver/zinc oxide/graphene oxide composite visible light catalyst. ADVANTAGE - The product has high visible light catalytic activity.