▎ 摘　　要

NOVELTY - Catalyst comprises nano-titanium dioxide as active component, graphene as carrier, and copper or zinc compound source as additive source. USE - Catalyst for hydrogen production by photolysis of water (claimed). ADVANTAGE - The catalyst has excellent catalytic efficiency. The hydrogen generation rate is faster. The raw materials are low cost. The graphene is used as catalyst carrier. The catalytic efficiency of catalyst is improved. The catalyst has significant beneficial effect. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for preparation method of catalyst for hydrogen production by photolysis of water, which involves adding source of copper or zinc compound to organic amine source, carrying out ultrasonic mixing to obtain mixture a, adding nano-titanium dioxide to obtained mixture a, heating and mixing evenly under ultrasonic condition, obtaining mixture b, adding graphene to obtained mixture b, heating under ultrasonic condition, obtaining mixture c, continuously heating mixture c to obtain solid solution d, heating of solid solution d under nitrogen atmosphere and drying to obtain product e.