THIN-FILM PHOTOVOLTAICS Thin-film solar cells are made by placing one or more thin layers of PV material on a supporting material such as glass, plastic or metal. There are two main types of thin-film PV semiconductors on the market today: cadmium telluride (CdTe) and copper indium gallium diselenide (CIGS). Both materials can be placed directly on the front or back of the module surface. CdTe is the second most common PV material after Silicon, and CdTe cells can be made using a low-cost manufacturing process. While this makes them a cost-effective alternative, their performance is still not as high as Silicon’s. CIGS cells have optimal properties for PV materials and are highly efficient in the laboratory, but the complexity involved in combining the four factors makes the transition from laboratory to production a breeze. More difficult. Both CdTe and CIGS require more protection than Silicon for long-term outdoor operation.
What is photovoltaic technology? Learn about PV technology | BSLG
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