▎ 摘　　要

NOVELTY - Preparing graphene quantum dot based on hypochlorite peroxide comprises (i) ultrasonically dispersing solid graphite oxide in deionized water and stripping graphite oxide monolayer to obtain graphene oxide aqueous solution, and (ii) mixing hypochlorite aqueous solution at room temperature to obtain mixed solution and carrying out ultraviolet ray irradiation for 5-5 hour s to obtain graphene quantum dot. USE - Used as graphene quantum dot. ADVANTAGE - The quantum dot comprises hypochlorite aqueous solution, which has strong oxidizing property; and has simple preparation process and yield of 80%.