▎ 摘　　要

NOVELTY - A self-generating green building material thermal insulation glass layered structure, a high-reflectivity ultraviolet/infrared reflective layer is first formed on a transparent glass substrate, and a titanium dioxide nanopillar/graphene film is grown on the surface of the reflective layer. And then coated with a perovskite material methylamine lead trihalide layer (CH3NH3PbI3), hole transport layer (P3HT) and cathode layer to generate electron hole pairs. Among them, titanium dioxide nanopillar/graphene film can improve electrons and perovskite The mineral material produces the recombination effect of electric holes. When electrons are injected from the methylamine lead trihalide layer into the conduction band of the titanium dioxide nanopillar layer, they will be quickly transferred to the lower energy-level conduction band of the oxide film, and the electrons are less easy. The recombination effect occurs with the electric hole to increase the photoelectric conversion effect of the solar cell. At the same time, the ultraviolet/infrared reflective layer reflects ultraviolet and infrared, has a thermal insulation effect and reflects sunlight for secondary power generation, improving power generation efficiency.