▎ 摘　　要

NOVELTY - Preparing graphene carbon nitride quantum dot modified zinc sulfide micron composite material involves preparing a zinc sulfide 0.5 nanosheet, adding the amino compound to the porcelain boat, placing it in a tube furnace, heating the temperature in a nitrogen atmosphere, heating at 550-600 degrees C for 2-4 hours to obtain a bulk phase g-C3N4 powder The inc sulfide 0.5 nm piece and the g-carbon nitride powder obtained are mixed and stirred, and then hydrothermally reacted in the reaction vessel, and lyophilized by dialysis to obtain final product. USE - Method for preparing graphene carbon nitride quantum dot modified zinc sulfide micron composite material used as photocatalyst (claimed). ADVANTAGE - The method enables to prepare graphene carbon nitride quantum dot modified zinc sulfide micron composite material which has good photo-catalytic stability, and not reduces after four times of circulating catalytic effect.