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Perovskite photovoltaics

Breaking the reaction chain

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Wide band gap perovskite solar cells suffer from halide segregation, which hampers their use in tandem solar cells. Now, researchers develop an additive with redox and defect passivating capabilities to suppress halide migration, enabling perovskite–organic tandems with over 25% efficiency.

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Fig. 1: Redox processes in perovskite film under illumination and the effect of the anthraquinone redox additive.

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Authors and Affiliations

  1. Department of Physics, The University of Hong Kong, Hong Kong SAR, China

    Aleksandra B. Djurišić

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  1. Aleksandra B. Djurišić
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Correspondence to Aleksandra B. Djurišić.

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Djurišić, A.B. Breaking the reaction chain. Nat Energy 9, 363–364 (2024). https://doi.org/10.1038/s41560-024-01503-z

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