▎ 摘　　要

NOVELTY - The utility model relates to a graphene/gallium arsenide solar battery, the graphene/gallium arsenide solar battery bottom to top in turn has the back electrode, an n-type doped or p-type doped gallium arsenide layer, graphite layer and a frontage, wherein the graphene layer graphene is 1 to 10 layers. The graphene/gallium arsenide solar battery of this utility model uses high current carrier migration rate of the graphene material, high light transmittance and high conductivity, combined with a gallium arsenide semiconductor, on a base for a low cost and simple manufacture process solar cell of high conversion efficiency.