▎ 摘　　要

NOVELTY - Preparation of tungsten trioxide/graphene quantum dots composite photocatalyst comprises pulse anode oxidizing and synthesizing porous tungsten trioxide, ultrasonically processing in acetone, ethanol and distilled water for 15 minutes, anode oxidizing at 50-300 Hz at 30-100 V for 5-30 minutes using 1 mol/L ammonium sulfate and ammonium fluoride as electrolyte added with 5-50 graphene quantum dots, washing with distilled water, drying by cold air, storing, heating in tubular furnace filled with nitrogen at 700 degrees C for 3 hours, cooling and taking out. USE - Method for preparing tungsten trioxide/graphene quantum dots composite photocatalyst. ADVANTAGE - The photocatalyst has simple and easy operation, and high photocatalytic activity and stability.