▎ 摘　　要

NOVELTY - Preparation of graphene oxide catalytic material, involves adding deionized water to graphene oxide and polyethylene glycol, stirring, ball-milling for 10-15 minutes to obtain pasty graphene oxide, mixing the pasty graphene oxide and bismuth nitrate pentahydrate in a mass ratio of 1:1-3, ball-milling for 2-10 hours, adding an alkaline solution to adjust pH to 9-10, leaving still, filtering, washing the collected precipitate, drying to obtain a graphene oxide-bismuth composite, mixing composite under nitrogen protection, and calcining for 1-2 hours at 300-600 degrees C. USE - Preparation of graphene oxide catalytic material (claimed). ADVANTAGE - The method enables preparation of graphene oxide catalytic material comprising bismuth trioxide uniformly dispersed on the surface of graphene oxide, and having excellent photochemical catalytic activity.