Helmholtz-Zentrum Berlin hits 24.6% efficiency for perovskite-CIGS cell
Germany’s Helmholtz-Zentrum Berlin (HZB) has achieved a world-record 24.6% efficiency rating for a perovskite-copper indium gallium selenide (CIGS) tandem solar cell. Germany’s Fraunhofer Institute for Solar Energy Systems (Fraunhofer ISE) has confirmed the result.
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