▎ 摘　　要

NOVELTY - Preparing graphene oxide-titanium dioxide photocatalyst comprises (i) preparing titanium dioxide, (ii) mixing the titanium dioxide and carbon precursor, and (iii) calcining the mixture. USE - The graphene oxide-titanium dioxide photocatalyst is useful for catalyzing carbon dioxide substitution reaction. ADVANTAGE - The photocatalyst: has improved reactivity to visible light using graphene oxide; does not require high-temperature heat or strong energy source e.g. ultraviolet light source; has improved flow of electrons and increases the substitution rate of carbon dioxide; and is simple and economical to prepare. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for graphene oxide-titanium dioxide photocatalyst. DESCRIPTION OF DRAWING(S) - The drawing shows a flowchart illustrating the method for preparing graphene oxide-titanium dioxide photocatalyst (Drawing includes non-English language text).