There are 2 most important kinds of thin-film PV semiconductors out there today: cadmium telluride (CdTe) and copper indium gallium diselenide (CIGS). Equally elements is usually deposited directly onto either the front or back on the module surface area. Learn more about photovoltaics investigation within the Solar Energy Technologies Office https://edwinnpmhc.prublogger.com/34780539/the-fact-about-renewable-energy-that-no-one-is-suggesting