▎ 摘　　要

NOVELTY - Graphene conductive composite film production involves preparing composite graphene conductive paint, where the graphene conductive paint comprises 100-115 pts. wt. dilute graphite, 3-8 pts. wt. inorganic nano-oxide nanoparticles, 5-7 pts. wt. inorganic metal copper nanoparticles having a diameter of 10-100 nanometers, 1-2 pts. wt. copper nanoparticles having a diameter of 30-100 nanometers, 1-2 pts. wt. neutralizer propanolamine, 1-2 pts. wt. leveling agent butyl ether, 1-2 pts. wt. anti-foaming agent, 2-3 pts. wt. cross-linking agent ethanol, and 200-300 pts. wt. water. USE - Method for producing graphene conductive composite film (claimed) used in optoelectronic device and electronic circuit. ADVANTAGE - The method produces the graphene conductive composite film in a simple and cost-effective manner with excellent optical, electrical and mechanical properties, and wide application value. DETAILED DESCRIPTION - Graphene conductive composite film production involves preparing composite graphene conductive paint, where the graphene conductive paint comprises 100-115 pts. wt. dilute graphite, 3-8 pts. wt. inorganic nano-oxide nanoparticles, 5-7 pts. wt. inorganic metal copper nanoparticles having a diameter of 10-100 nanometers, 1-2 pts. wt. copper nanoparticles having a diameter of 30-100 nanometers, 1-2 pts. wt. neutralizer propanolamine, 1-2 pts. wt. leveling agent butyl ether, 1-2 pts. wt. anti-foaming agent, 2-3 pts. wt. cross-linking agent ethanol, and 200-300 pts. wt. water. The composite graphene conductive paint is added into an organic solvent N,N-dimethylformamide to prepare graphene composite coating solution. The substrate is preheated at 100-150 degrees C. The prepared composite graphene coating is sprayed on the substrate by spray coating. The resulting coating is placed in a vacuum tube furnace and then annealed under argon at 500-550 degrees C for 2 hours to obtain the composite film.