Swiss scientists have further boosted the energy conversion efficiency of flexible solar cells made of copper indium gallium (di)selenide (also known as CIGS) to a new world record of 18.7 percent -- a significant improvement over the previous record of 17.6 percent achieved by the same team in June 2010. The measurements have been independently certified.

Source: Record efficiency of 18.7 percent for flexible solar cells on plastics, Swiss researchers report


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