▎ 摘　　要

NOVELTY - A composite semiconductor photocatalyst comprises cadmium-sulfide-supported graphene and non-noble metal. USE - Composite semiconductor photocatalyst (claimed). ADVANTAGE - The composite semiconductor photocatalyst is manufactured efficiently with excellent catalytic activity and productivity, by simple method. DETAILED DESCRIPTION - A composite semiconductor photocatalyst comprises cadmium-sulfide-supported graphene (Gx-CdSM) and non-noble metal. M=cobalt, nickel, iron or manganese;and x=0-40. An INDEPENDENT CLAIM is included for manufacture of photocatalyst.