▎ 摘　　要

NOVELTY - A photocatalyst comprises nickel supported on titania/reduced graphene oxide, and has nickel(II) titanate crystalline structure. USE - Photocatalyst is used for adsorbing dye from xanthine aqueous solution (claimed). ADVANTAGE - The photocatalyst has excellent activity and prevents electron-hole recombination. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for preparation of photocatalyst.