▎ 摘　　要

NOVELTY - Method for preparing functional region of graphene-aluminum-based photovoltaic and seawater desalination device, involves (a) dispersing graphene oxide and aluminum particles in solvent, and uniformly stirring and mixing to obtain graphene oxide-coated aluminum core-shell structure, (b) arranging one side of upper electrode and lower electrode on substrate, coating graphene oxide coated aluminum slurry, and drying to obtain graphene oxide coated aluminum coating, and (c) reducing graphene oxide using microwave method to obtain functional region of graphene-aluminum-based photovoltaic and seawater desalination device. USE - Method for preparing functional region of graphene-aluminum-based photovoltaic and seawater desalination device. ADVANTAGE - The device automatically generates the electric energy by capillary action of coating and water evaporation, ensures highly spontaneous power generation mode, limits the environment condition, absorbs and heats the light by isoexcitonic effect, achieves the rapid evaporation effect, and increases the output power and output of fresh water.