| abstract |
The invention relates to a graphene photocatalytic film, comprising a graphene photocatalytic film; the graphene photocatalytic film comprises a multi-layer stacked graphene photocatalytic mesh; the graphene photocatalytic mesh comprises a graphene material, a semiconductor material and a mesh film; The graphene material is processed by a vacuum freezing sublimation drying method; the semiconductor material is one or more of TiO2, ZnO, SnO2, BiVO4, Bi2WO6; the mesh is one of a white blank mesh, a carbon fiber mesh, and a polyethylene fiber mesh; The graphene material and the semiconductor material are composited and then wrapped on the omentum, or the graphene material is wrapped on the surface of the semiconductor material and then wrapped on the omentum. The invention does not require water change, dredging, no power consumption, high efficiency, good effect, long service life, can repair bottom mud, simpler operation, lower operation cost and more significant purification effect. |