Perovskite solar cells with an inverted configuration hold great promise for multi-junction applications, but their power conversion efficiency is low. Now, a long-chain alkylamine ligand-assisted strategy has been demonstrated to enable an efficiency of 22.34%.
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Zhu, R. Inverted devices are catching up. Nat Energy 5, 123–124 (2020). https://doi.org/10.1038/s41560-020-0559-z
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DOI: https://doi.org/10.1038/s41560-020-0559-z