▎ 摘　　要

NOVELTY - A silver-graphene quantum dot/triple zinc oxide photocatalyst preparation method comprises preparing graphene quantum dot aqueous solution containing reducing silver ion, obtaining silver-graphite quantum point mixed solution, dissolving metal cationic zinc ion, obtaining silver-graphite quantum dot/zinc nitrate precursor solution, and carrying out spin-coating drying process. USE - Silver-graphene quantum dot/triple zinc oxide photocatalyst preparation method (claimed). ADVANTAGE - The photocatalyst has improved zinc oxide semiconductor photocatalytic properties. The method is easy, low-cost, environment-friendly and suitable for industrialization.