▎ 摘　　要

NOVELTY - High-index crystal plane graphene oxide and cadmium and zinc sulfide polyhedron material rich in sulfur vacancies and a preparation method has cadmium and zinc sulfide solid solution polyhedron is rich in sulfur vacancies and reveals high-index crystal planes, and its surface is coated with graphene oxide (GO). The preparation method is a one-step pyrolysis carbonization-coupling coordinated reaction involves mixing 0.01-2 mmol cadmium chloride hemipentahydrate, 0.01-2 mmol zinc chloride and 0.3-40 mmol ethylene glycol, and placing it in an oil bath at 30-90 degreesC and stirring for 0.5-4 hours to form a uniform and transparent liquid. Adding 0.02-8mmol sodium sulfide nonahydrate to the transparent liquid and continue to stirring for 0.5-4 hours, and mixing well. Transferring the mixture to a porcelain boat, placing in a tube furnace, heating to 300-700 degreesC at a rate of 1-10 degreesC/minutes under a nitrogen atmosphere, and keeping for 1-6 hours. USE - GO@Cd1-xZnxS used for absorbing visible light to catalyze the decomposition of seawater, used for the reaction of decomposing hydrogen by catalyzing water in water and seawater and photocatalytic degradation reaction of organic dye in water. ADVANTAGE - GO@Cd1-xZnxS polyhedral composite material has high-efficiency hydrogen production performance by absorbing visible light to catalyze the decomposition of seawater and the photocatalytic degradation reaction of organic dye in water, and has good photocatalytic performance. DETAILED DESCRIPTION - High-index crystal plane graphene oxide and cadmium and zinc sulfide (GO@Cd1-xZnxS) polyhedron material rich in sulfur vacancies and a preparation method has cadmium and zinc sulfide (Cd1-xZnxS) solid solution polyhedron is rich in sulfur vacancies and reveals high-index crystal planes, and its surface is coated with graphene oxide (GO). The preparation method is a one-step pyrolysis carbonization-coupling coordinated reaction, growth of the Cd1-xZnxS polyhedron and the growth and interface coupling of the graphene oxide shell are completed in one step involves mixing 0.01-2 mmol cadmium chloride hemipentahydrate, 0.01-2 mmol zinc chloride and 0.3-40 mmol ethylene glycol, and placing it in an oil bath at 30-90 degreesC and stirring for 0.5-4 hours to form a uniform and transparent liquid. Adding 0.02-8mmol sodium sulfide nonahydrate to the transparent liquid and continue to stirring for 0.5-4 hours, and mixing well. Transferring the mixture to a porcelain boat, placing in a tube furnace, heating to 300-700 degreesC at a rate of 1-10 degreesC/minutes under a nitrogen atmosphere, and keeping for 1-6 hours.