All-perovskite tandem solar cells achieving >29% efficiency with improved (100) orientation in wide-bandgap perovskites

Nature Materials, Published online: 10 January 2025; doi:10.1038/s41563-024-02073-xSubstantial open-circuit voltage loss and inherent non-radiative recombination hinder efficiency improvements in wide-bandgap perovskite solar cells. Here the authors augment two-dimensional perovskite phases on the surface to promote (100) facet growth on three-dimensional perovskite facets, improving the open-circuit voltage and efficiency of the resulting wide-bandgap perovskite solar cells. Read More

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