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Tandem solar cell photoelectric conversion efficiency sets a new record

2026-07-06 00:09:20

Mars Finance News: Scientists from the Helmholtz-Zentrum Berlin for Materials and Energy, Humboldt University of Berlin, and the Berlin Center for Materials Science have collaborated to combine a copper indium gallium selenide semiconductor layer (a compound of copper, indium, gallium, and selenium) with perovskite, and introduced several carefully optimized intermediate layers. The resulting tandem solar cell achieved a power conversion efficiency of 25.5%, breaking the previous record of 24.6% for the same material combination and cell size. The new record has been officially certified and was recently included in the solar cell efficiency table published by the journal Joule. (Financial Associated Press)

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