▎ 摘　　要

NOVELTY - Preparation of dye-sensitized solar cell paste, involves heating ethylene glycol solution and ammonium molybdate aqueous solution, filtering and washing with deionized water and ethanol, to obtain molybdenum dioxide nanoparticles, adding graphene in deionized water, then adding molybdenum dioxide and ultrasonic dispersing, then adding organic carrier solvent, stirring, to obtain slurry, adding curing agent to slurry, stirring, then adding polymer, to obtain solidified slurry, curing slurry and evaporating, and heating, to obtain dye-sensitized solar cell paste. USE - Preparation of dye-sensitized solar cell paste (claimed). ADVANTAGE - The slurry particles are uniformly dispersed, and the graphene having large specific surface area and excellent electronic conductivity is added. The performance of the solar cell is improved. The molybdenum dioxide has the characteristics of transparency and high conductivity, so that rotation of solar cells is improved. DETAILED DESCRIPTION - Preparation of dye-sensitized solar cell paste, involves adding ethylene glycol solution having a concentration of 1.0-2 mol/l and ammonium molybdate aqueous solution having a concentration of 0.05-0.15 mol/l in a hydrothermal synthesis reactor, placing the reactor in a heater, and heating at 180-220 degrees C for 24-48 hours, filtering and washing with deionized water and ethanol, and drying at 80 degrees C, to obtain molybdenum dioxide nanoparticles, adding 1-10 pts. wt. graphene in 50-100 pts. wt. deionized water, then adding 5-20 pts. wt. molybdenum dioxide and placing the mixture in ultrasonic dispersion device for ultrasonic dispersion for 30-90 minutes, then adding organic carrier solvent, and magnetically stirring, to obtain slurry, adding 5-10 pts. wt. curing agent to the slurry, stirring, then adding 10-20 pts. wt. polymer, magnetically stirring, to obtain solidified slurry, curing the slurry at 35-40 degrees C and evaporating by rotary evaporator or distilled column to remove alcohol, and then heating at 55-70 degrees C and adjusting the viscosity of the slurry, to obtain dye-sensitized solar cell paste.