▎ 摘　　要

NOVELTY - A high-efficiency full spectral response copper sulfide/graphene composite photocatalyst comprises compound copper sulfide/graphene. The compound is copper sulfide microsphere attached on graphene. The copper sulfide microsphere is copper sulfide. The graphene is two-dimensional sheet structure. USE - High-efficiency full spectral response copper sulfide/graphene composite photocatalyst. ADVANTAGE - The photocatalyst has no pollution and no poison, low cost and good light absorption in UV, visible or infrared region, reduces heavy metal ion, and shows out excellent activity when photocatalyzing and degrading benzene series and dye pollutant. The method is simple and easy to realize industrial application, and has mild condition, convenient operation and low cost. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for preparation of high-efficiency full spectral response copper sulfide/graphene composite photocatalyst comprising dissolving copper source and graphene oxide in deionized water, ultrasonically dispersing to obtain uniform mixed solution A, dissolving sulfur source in deionized water, ultrasonically dispersing to obtain solution B, dropping solution B to solution A, stirring to obtain mixed solution C, transferring into microwave tube, placing into microwave reactor, constant temperature reacting at 120-160 degrees C for 5-20 minutes, cleaning, and drying.