▎ 摘　　要

NOVELTY - The preparation method of graphene-based photocatalytic material involves adding graphene to deionized water and then mixing, adding dispersant to the mixture and then ultrasonically reacting for 1-3 hours, adding hydrochloric acid solution to the mixture and then reacting for 2-4 hours, adding zinc acetate and ethanol aqueous solution to the mixture and then introducing ammonia gas, leaving for 1-3 hours and then reacting for 5-8 hours, distilling the mixture and naturally cooling. USE - The method is useful for preparation of graphene-based photocatalytic material. ADVANTAGE - The method enables preparation of graphene-based photocatalytic material with high efficiency and excellent absorption effect.