▎ 摘　　要

NOVELTY - Preparation of nano-metal oxide/graphene composite photocatalyst comprises ultrasonically dispersing oxidized graphite into photocatalytically active titanium dioxide precursor solution to obtain photocatalytically active composition; reducing the photocatalytically active composition by hydrazine hydrate solution; drying in vacuum; roasting; and obtaining the catalyst. USE - Preparation of nano-metal oxide/graphene composite photocatalyst i.e. nano-titanium dioxide/graphene composite (claimed). ADVANTAGE - The method provides photocatalyst having greatly improved photocatalytic activity by controlling the sintering temperature. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for nano-metal oxide/graphene composite photocatalyst.