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Silicon photovoltaics

Top performance whatever the doping

The highest power conversion efficiencies for silicon heterojunction solar cells have been achieved on devices based on n-type doped silicon wafers, yet these wafers are usually more expensive than p-type ones. Now, researchers reduce charge recombination in the bulk of p-type silicon, demonstrating comparable efficiency to devices based on n-type silicon.

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Fig. 1: Device structure and analysis of the power losses.

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Correspondence to Bernd Stannowski or Lars Korte.

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Stannowski, B., Korte, L. Top performance whatever the doping. Nat Energy 9, 1058–1059 (2024). https://doi.org/10.1038/s41560-024-01618-3

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