▎ 摘　　要

NOVELTY - A cadmium sulfide/zinc sulfide nanocomposite material loaded graphene oxide photocatalyst is prepared by ultrasonically oscillating graphene oxide into deionized water to completely dissolve, adding cadmium chloride and zinc chloride, stirring, adding L-cysteine, continuously stirring to completely dissolve, regulating pH with sodium hydroxide solution at 7, adding sodium sulfide, nitrogen stirring for 10-15 minutes, placing into high pressure reaction kettle, pouring into high temperature oven, naturally cooling, centrifuging, washing, drying, and grinding. USE - Method for preparing cadmium sulfide/zinc sulfide nanocomposite material loaded graphene oxide photocatalyst used for tetracycline biodegradable antibiotic (all claimed).