Flexible CIGS solar cells from Empa break efficiency record

March 2013
American Ceramic Society Bulletin;Mar2013, Vol. 92 Issue 2, p15
The article discusses Swiss Federal Laboratories for Materials Science and Technology (Empa) scientists' development of thin-film solar cells that have a 20.4 percent efficiency record for converting sunlight to electricity. It mentions the cells' basis on copper indium gallium (di)selenide (CIGS) semiconducting material, which can provide cost-effective solar electricity. The production of thin-film CIGS solar cells using continuous roll-to-roll manufacturing processes is also cited.


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