▎ 摘　　要

NOVELTY - Preparation of copper graphene-quantum dot co-supported porphyrin nanotube modified electrode involves ultrasonically dispersing graphene oxide solution, transferring to PTFE reactor, reacting, suction-filtering, dialyzing to obtain graphene quantum dots, drying, introducing aqueous copper chloride solution to aqueous solution of sodium alkenyl succinate, suction-filtering, washing, drying, dissolving tetraphenylporphyrin in dichloromethane, reacting, suction-filtering, washing, purifying to obtain tetraphenylsulfonate porphyrin, soaking preprocessed porous alpha -alumina substrate, drying, soaking in sodium hydroxide solution to remove porous alpha -alumina substrate, rinsing with water, dispersing in ethanol solution, stirring, ultrasonically dispersing, drying, calcining in tube furnace, dispersing obtained powder in acetone solution, dispersing on preprocessed glass electrode, coating perfluorosulfonic acid solution on substrate, drying, soaking in poly-L-lysine solution and rinsing. USE - Preparation of copper graphene-quantum dot co-supported porphyrin nanotube modified electrode used in dye sensitized solar cell. ADVANTAGE - The method enables simple and environmentally-friendly preparation of copper graphene-quantum dot co-supported porphyrin nanotube modified electrode. DETAILED DESCRIPTION - Preparation of copper graphene-quantum dot co-supported porphyrin nanotube modified electrode involves ultrasonically dispersing graphene oxide solution, transferring to PTFE reactor, reacting at 210-230 degrees C for 20-30 hours, suction-filtering, dialyzing to obtain graphene quantum dots, drying under vacuum conditions at 55-65 degrees C for 6-10 hours, storing for later use, introducing aqueous copper chloride solution to aqueous solution of sodium alkenyl succinate at 75-85 degrees C, stirring at room temperature for 10-15 hours, suction-filtering, washing, drying, dissolving tetraphenylporphyrin in dichloromethane, reacting at 30-40 degrees C for 0.5-1.5 hours, cooling to room temperature, leaving still to obtain precipitate, suction-filtering, washing, purifying to obtain tetraphenylsulfonate porphyrin, soaking preprocessed porous alpha -alumina substrate, drying, soaking in sodium hydroxide solution to remove porous alpha -alumina substrate, rinsing with water, dispersing in ethanol solution, stirring at 70-80 degrees C, ultrasonically dispersing, drying, calcining in tube furnace at 480-520 degrees C for 1-3 hours, dispersing obtained powder in acetone solution, dispersing on preprocessed glass electrode, drying, coating perfluorosulfonic acid solution on the substrate, naturally-drying, soaking in poly-L-lysine solution, and rinsing.