▎ 摘　　要

NOVELTY - Electrophoresis depositing black graphene quantum point modified graphene thin film comprises adding black graphene quantum point with phosphorus-containing organic solvent solution, water bath ultrasonic mixing, adsorbing, forming mixed dispersion liquid, placing electric conduction substrate as anode and graphite rod as cathode, electrophoresis depositing, washing with ethanol, and reducing under argon gas or nitrogen protection at 500-1200 degrees C. USE - Method for electrophoresis depositing black graphene quantum point modified graphene thin film (claimed). ADVANTAGE - The method is simple and easy.