▎ 摘　　要

NOVELTY - Ternary Z-type visible light photocatalyst comprises less than or equal to 5 nm nano tungsten trioxide, 20-100 nm nano indium sulfide and 1-10 wt.% graphene oxide solution. Mass ratio of nano tungsten trioxide and nano indium sulfide is 3:1-1:3. USE - Ternary Z-type visible light photocatalyst used for water splitting (claimed). ADVANTAGE - The method is simple and easy to control. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for the preparation of ternary Z-type visible light photocatalyst comprising mixing raw materials, adjusting pH to 1-7, reacting at 120-200 degrees C for 8-24 hours, cooling and neutralizing.