▎ 摘　　要

NOVELTY - Method for preparing graphene-based titanium dioxide photocatalyst, involves using photocatalyst graphene oxide as a base material and titanium oxide as a titanium source to form a graphene-nano-titanium dioxide composite photocatalyst. USE - The method is useful for preparing graphene-based titanium dioxide photocatalyst. ADVANTAGE - The method utilizes the reducibility of titanium oxide and the oxygen radical forming reaction of graphene oxide to realize the conversion of titanium dioxide and the formation of graphene.