There's two principal sorts of skinny-film PV semiconductors that you can buy nowadays: cadmium telluride (CdTe) and copper indium gallium diselenide (CIGS). Both of those supplies is usually deposited immediately on to both the front or back again of the module surface area. Thanked 441 Periods in 218 Posts Solar https://emperord679yyx1.bloggadores.com/profile