Rainer Klose, Empa09.08.21
A new efficiency record of 21.4% for flexible CIGS solar cell on polymer film has been achieved by scientists at Empa. Solar cells of this type are especially suited for applications on roofs, transport vehicles or mobile devices.
A group of scientists at Empa has pushed the efficiency of flexible solar cells to a new limit. Independent measurements revealed an efficiency of 21.4 percent when these types of solar cells convert light into electricity. For comparison: the best efficiency of a non-flexible solar cell made of crystalline silicon is reported at 26.7 percent.
The details of the research achievement will be presented at the 38th European Photovoltaic Solar Energy and Conference and Exhibition (EU PVSEC) on 7 September 2021 by Romain Carron, group leader in the Laboratory for Thin Films and Photovoltaics headed by Ayodhya N. Tiwari.
High efficiency flexible solar cells are processed on a polymer film by a low temperature co-evaporation method for the growth of the thin film
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