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Perovskite solar cells: On top of commercial photovoltaics

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The efficiency of single-junction solar cells is intrinsically limited and high efficiency multi-junctions are not cost effective yet. Now, semi-transparent perovskite solar cells suggest that low cost multi-junctions could be within reach.

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Figure 1: Perovskite/CIGS tandem devices.
Figure 2: Achieved and predicted efficiency evolution for single- and multi-junction solar cells.

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Correspondence to Bernd Rech.

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Albrecht, S., Rech, B. Perovskite solar cells: On top of commercial photovoltaics. Nat Energy 2, 16196 (2017). https://doi.org/10.1038/nenergy.2016.196

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