CARBON NANOTUBE/SILVER NANOWIRE COMPOSITE FILM AND GALLIUM ARSENIDE-BASED HETEROJUNCTION SOLAR CELL THEREOF AND PREPARATION METHOD

The present invention relates to the field of solar cells, and disclosed are a carbon nanotube/silver nanowire composite film and a gallium arsenide-based heterojunction solar cell thereof and a preparation method. The solar cell comprises a back electrode, a gallium arsenide substrate, a hole transport layer, an insulating layer, and a front electrode from bottom to top; the hole transport layer is a carbon nanotube/silver nanowire composite film, and the upper surface thereof is further provided with a light receiving window that is spin-coated with a passivation layer. The solar cell of the present invention uses the carbon nanotube/silver nanowire composite film as the hole transport layer, such that the solar cell is not limited by the high temperature resistance of the substrate while the process is greatly simplified and the cost is greatly lowered, and the application filed is broadened. Moreover, high light transmittance and high electrical conductivity are provided, the series resistance of the sola