▎ 摘　　要

NOVELTY - The preparation involves dispersing the graphite oxide into a solvent, adding cerium nitrate to the graphene oxide, and adding, stirring and reacting citric acid and sodium chloride to obtain the carnation-like graphene-based bismuth nano-composite material. USE - Preparation of carnation-like graphene-based alkenyl bismuth nano-composite material (claimed). DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for a carnation-like graphene-based bismuth nano-composite material contains photocatalytic properties and the degradation rate of the antibiotic under visible light is more than 90%.