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PEROVSKITE PHOTOVOLTAICS

Inverted devices are catching up

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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Fig. 1: High efficiency p–i–n perovskite solar cells based on long-chain AAL-treated perovskite films.

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Correspondence to Rui Zhu.

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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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