A CIGS perovskite tandem solar cell with potential for 27.5% efficiency

Lithuanian researchers claim to have dramatically improved the performance of a perovskite-based copper indium gallium selenide solar cell they developed with the Helmholtz Zentrum Berlin. The improved efficiency, they claim, was achieved thanks to one of the most recently developed monolayers used for experiments on the cell.Scientists at the Lithuania Kaunas University of Technology claim to have improved on the previously announced 23.26% efficiency of a perovskite-based copper indium gallium selenide (CIGS) solar cell they developed with the Helmholtz Zentrum Berlin (HZB). The researchers ...

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