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Solar cells are the basic components of photovoltaic modules, common photovoltaic modules according to solar cell materials to classify, mainly divided into crystalline silicon photovoltaic modules and thin film photovoltaic modules. Crystalline silicon photovoltaic modules are mainly monocrystalline silicon and polysilicon two categories, thin film photovoltaic modules include cadmium telluride, perovskite, copper indium gallium selenium and other types.

Glass curtain wall: glass curtain wall composed of glass ribs and glass panels. This kind of glass curtain wall has no metal skeleton from the facade, and the finishing materials and structural members are glass materials. Because of its large glass finish, so that the curtain wall has greater permeability, so it is often used in buildings.