▎ 摘　　要

NOVELTY - The present invention relates to a method for preparing graphene quantum dot aqueous solution. The main method is to first mix graphite powder with water and an active interface agent and stir it with a pulverizer. After being stirred at a high speed by the pulverizer, it is made into double-layer graphene. After separation from water and drying, a double-layer graphene powder can be obtained; then, the hydroxide and deionized distilled water are mixed to form a dissolved molar ratio of M6 to M8, and then the double-layer graphene powder is added Stir to obtain a double-layer graphene dispersion, then place the double-layer graphene dispersion in a hydrothermal reactor for synthesis, take it out and dry it at a high temperature to obtain quantum dot powder, and finally add distilled water to mix And let it stand still, so that a transparent graphene quantum dot aqueous solution can be obtained, which can be used in various related industries of quantum dots in the future.