▎ 摘　　要

NOVELTY - Composite photoelectric catalytic material comprises a base layer (1), electro-catalysis layer and photocatalytic layer, where the both sides of the base layer are provided with an electro-catalysis layer and a photocatalytic layer. The surface of the electrocatalysis layer and photocatalytic layer on the base layer are distributed in circular ring shape. The electro-catalysis layer and photocatalytic layer are alternately distributed on the surface of the base layer, embedded with each other, forming concentric ring structure. The area of any adjacent electro-catalysis layer on the surface of the base layer is equal to that of the photocatalytic the base layer is made of titanium alloy material. The titanium alloy is obtained by graphene-titanium metal composite, where the electro-catalysis layer is made of platinum group metal. USE - Composite photoelectric catalytic material. ADVANTAGE - The composite photoelectric catalytic material is cost-effective, has long service life, reduces the composite probability of photo-generate delectron and hole, using synergistic effect to improve the electro-catalysis and photocatalytic efficiency. DETAILED DESCRIPTION - Composite photoelectric catalytic material comprises a base layer (1), electro-catalysis layer (4) and photocatalytic layer (3), where the both sides of the base layer are provided with an electro-catalysis layer and a photocatalytic layer (3). The surface of the electrocatalysis layer and photocatalytic layer on the base layer are distributed in circular ring shape. The electro-catalysis layer and photocatalytic layer are alternately distributed on the surface of the base layer, embedded with each other, forming concentric ring structure. The area of any adjacent electro-catalysis layer on the surface of the base layer is equal to that of the photocatalytic the base layer is made of titanium alloy material. The titanium alloy is obtained by graphene-titanium metal composite, where the electro-catalysis layer is made of platinum group metal. The electro-catalysis layer is obtained by plating the base layer metal as the cathode, where the layer(photocatalytic) is made of titanium dioxide, photocatalytic layer by the base layer metal as the anode, performing anode oxidation, the thickness of the electrocatalysis layer is equal to that of the photocatalytic the thickness of the electro-catalysis layer is 0.5-1 microns. An INDEPENDENT CLAIM is included for a method for preparing a composite photoelectric catalytic material, which involves: (A) placing the base material into the cleaning barrel, adding appropriate amount of detergent, 3% hydrofluoric acid aqueous solution and hot water to the barrel, closing the cleaning barrel and inserting the horn of the ultrasonic generator into the barrel, ultrasonically cleaning the base layer material, the cleaning time is 10-15 minutes, opening the cleaning barrel, taking out the base layer material and cleaning with water to remove the residual cleaning on the surface agent and hydrofluoric acid; (B) cutting the material of the base layer to form a concentric circular wedge-shaped slope on the surface of the base layer, using laser drilling machine to make a wedge-shaped slope on the base layer, drilling holes on the inclined surface of the surface to obtain distributed micropores, cleaning the base layer with clean water again to remove the residual chips on the surface of the base layer; (C) coating layer of insulating waterproof glue on the vertical surface on the wedge-shaped slope on the surface of the base layer, placing the base layer into the electrolyte for reaction, where the base layer as the anode, the portion of the surface covered with the insulating waterproof glue undergoes anodizing reaction to generate titanium dioxide nanotubes, namely the photocatalytic layer, the electrolyte is an ethylene glycol solution containing 3 wt.% ammonium fluoride and 2 vol.% water, the anodic oxidation reaction time is 4.5-5.2 hours, the voltage of the base layer during the anodic oxidation reaction is 58-62 V; (D) placing the prepared base layer covered with the photocatalytic layer in a heat treatment furnace and heating, where the heat treatment temperature is 380-420 degrees C, and the treatment time is 12-20 minutes; (E) coating a layer of insulating waterproof glue on the inclined surface of the wedge-shaped slope on the heat-treated base layer, placing the base layer into the electroplating solution containing platinum group metal ions, performing electroplating treatment, so that there is a platinum group metal plating layer on the surface of the base layer and cleaning the base layer with clear water after the treatment is completed to remove the electroplating solution remaining on the surface, where the electroplating treatment time is 35-55 minutes; and (F) heating the base layer, vaporizing insulating waterproof glue on the surface of the base layer and removing by heating; the heating temperature of the base layer is 150-180 degrees C, and the heating time is 3-5 minutes. DESCRIPTION OF DRAWING(S) - The drawing shows a schematic view of a material. Base layer (1) Micro-pore (2)