▎ 摘　　要

NOVELTY - A controlled particle size bismuth vanadate/graphene composite photocatalyst is prepared by dissolving bismuth nitrate and ammonium metavanadate precursor powder in mixed reagent of glycerol, alcohol, and water to obtain bismuth vanadate precursor solution, ultrasonically dispersing with graphite oxide or aqueous graphite oxide or alcohol solution, performing centrifugal filtration, and drying in oven. USE - Preparation of controlled particle size bismuth vanadate/graphene composite photocatalyst (claimed) for photocatalytic decomposition of organic pollutant and water oxygen generator. ADVANTAGE - Product has excellent catalytic performance and good conductivity. DESCRIPTION OF DRAWING(S) - The drawings show scanning electron microscope images of controlled particle size bismuth vanadate/graphene composite photocatalyst.