▎ 摘　　要

NOVELTY - Graphene/graphite-phase carbon nitride/titanium dioxide composite coating with photoelectric response characteristics bone-forming function comprises a graphite phase carbon nitride/titanium dioxide composite coating formed on the surface of a metal substrate, and graphene oxide deposited on the surface of graphitic carbon nitride/titanium dioxide composite coating. USE - Graphene/graphite-phase carbon nitride/titanium dioxide composite coating with photoelectric response characteristics bone-forming function in preparing bone repairing and replacing material (claimed). ADVANTAGE - The graphene-phase carbon nitride/titanium dioxide composite coating has photoelectric response characteristics bone-forming function. The titanium and its alloy surface is prepared with a biological coating with photo electric response characteristics which can stimulate osteogenic cell proliferation, so as to promote the repair of bone tissue. The photoelectric stimulation can effectively avoid the side effect generated by direct electrical stimulation. It is simple, safe, and controllable. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for a method for preparing graphene/graphite-phase carbon nitride/titanium dioxide composite coating with photoelectric response characteristics bone-forming function, which involves firstly constructing titanium dioxide on the surface of the metal substrate material surface by hydrothermal method, using solid phase reaction sintering method to deposit graphite-phase carbon nitride film on the surface of the titanium dioxide surface of the coating, using electrochemical method to deposit and graphene, obtaining the graphene/graphite-phase carbon nitride/titanium dioxide composite coating.