▎ 摘　　要

NOVELTY - Graphene-based dye-sensitized transparent solar cell comprises transparent electrodes including graphene film having a thickness of not greater than 20 nm, cross-linking between graphene layers, and the degree of cross-linking is 1-5%. USE - Used as graphene-based dye-sensitized transparent solar cell. ADVANTAGE - The solar cell has high electron mobility, reduced cost, improved light conversion efficiency, and no heavy metal pollution problem. DETAILED DESCRIPTION - Graphene-based dye-sensitized transparent solar cell comprises transparent electrodes including graphene film having a thickness of not greater than 20 nm, cross-linking between graphene layers, the degree of cross-linking is 1-5%, and graphene film is prepared by (i) formulating the graphene oxide into an aqueous solution of graphene oxide having a concentration of 0.5-10 mu g/ml, and suction filtering to obtain film, (ii) placing the graphene oxide film attached to the suction filtration substrate in a closed container, and fumigating from the bottom to the upper side at 80-100 degrees C for 0.1-1 hours, (iii) uniformly coating the melted solid transfer agent on the surface of the reduced graphene oxide film, and slowly cooling at room temperature until the film and substrate are separated, (iv) subjecting the reduced graphene oxide film treated in the step (iii) to heat treatment to sublimate or volatilize the solid transfer agent, (v) spraying a layer of metallic titanium on the surface of the chemically reduced graphene film by magnetron sputtering, a metal including molybdenum or cobalt; the molar amount of the sputtered metal nanoparticles is not greater than 30% of the molar amount of carbon atoms in the graphene film, (vi) subjecting the graphene film sputtered with metal to chlorination treatment at 800-1200 degrees C, and dispersing the metal nanoparticles in the form of chloride, and (vi) placing the graphene film after chlorination in a high temperature furnace, warming at 1500 degrees C with a heating rate of 5-20 degrees C/minutes, then heating at 2000 degrees C with a heating rate of 2-5 degrees C/minutes to obtain crosslinked graphene film.