▎ 摘　　要

NOVELTY - Preparing graphene/copper zinc sulfide flower-shaped microsphere photocatalyst comprises adding graphene oxide to o-hydroxydiol, and then ultrasonically oscillating for preparing graphene oxide-o-hydroxydiol dispersion liquid, adding zinc salt and copper salt to the graphene oxide-o-hydroxydiol, dissolving completely by stirring, adding total amount of zinc ions and copper ions, and continuously stirring to obtain mixed solution, adding thiourea to the mixed solution, stirring and dissolving, then continuing stirring, transferring to a reaction kettle with polytetrafluoroethylene lining, and reacting, naturally cooling to room temperature, centrifuging, washing the resulting precipitate with deionized water and absolute ethanol alternatively, and drying. USE - The method is useful for preparing graphene/copper zinc sulfide flower-shaped microsphere photocatalyst. ADVANTAGE - The photocatalyst: has good composite effect, large specific surface area, strong resistance to light corrosion, high visible light photocatalytic activity; and can completely utilize sunlight to perform photocatalytic degradation of environmental pollutants. The method: is simple, and is easy to control; and has easily controllable reaction parameters, and has easy realization of industrial production. DETAILED DESCRIPTION - Preparing graphene/copper zinc sulfide flower-shaped microsphere photocatalyst comprises graphene oxide/zinc copper sulfide complex (RGO/ZnxCu(1-x)S), (a) adding graphene oxide to o-hydroxydiol, and then ultrasonically oscillating for 1-3 hours for preparing 0.8-2 mg/ml graphene oxide-o-hydroxydiol dispersion liquid, (b) adding zinc salt and copper salt to the graphene oxide-o-hydroxydiol in a ratio of the amount of zinc and copper in the copper zinc sulfide (ZnxCu(1-x)S), i.e. x:(1-x) in the alcohol dispersion, dissolving completely by stirring at 50-70 degrees C, where the amount of zinc salt and copper salt is 0.0117-0.042 mmol per milligram of graphene oxide, adding total amount of zinc ions (Zn2+) and copper ions (Cu2+), and continuously stirring for 20-40 minutes to obtain mixed solution, (c) adding thiourea (2-4 times) to the mixed solution, stirring and dissolving at 50-70 degrees C, then continuing stirring for 20-40 minutes, transferring to a reaction kettle with polytetrafluoroethylene lining, and reacting at 130-150 degrees C for 9-15 hours, and (d) naturally cooling to room temperature, centrifuging, washing the resulting precipitate with deionized water and absolute ethanol alternatively, and drying. x = 0.1-0.3.