▎ 摘　　要

NOVELTY - A Schottky solar battery comprises a back electrode, a positive electrode grid, a semiconductor layer, an amorphous carbon film I and a graphene layer catalyzed by a copper film in which is contact with the copper thin film, where the amorphous carbon film I is located between the semiconductor layer and the graphene layer, the positive side of the semiconductor layer is amorphous Carbon film I, the back side is the back electrode, the front side of the graphene layer has a positive electrode grid line, and the graphene layer is an anode. USE - Schottky solar battery. ADVANTAGE - The battery has improved interface quality, and high photoelectric conversion efficiency. DETAILED DESCRIPTION - A Schottky solar battery comprises a back electrode, a positive electrode grid, a semiconductor layer, an amorphous carbon film I and a graphene layer catalyzed by a copper film in which is contact with the copper thin film, where the amorphous carbon film I is located between the semiconductor layer and the graphene layer, the positive side of the semiconductor layer is amorphous Carbon film I, the back side is the back electrode, the front side of the graphene layer has a positive electrode grid line, and the graphene layer is an anode, battery has a short-circuit current of 350-480 mA/cm2, an open circuit voltage is 0.44-0.78 V and a conversion efficiency is 10.2-16.1%. An INDEPENDENT CLAIM is also included for a method for preparing Schottky solar battery.