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Tandem cells under the weather

The design of research solar cells is typically optimized for laboratory conditions but in the real world they are exposed to changing temperatures influencing their performance. Now, research from outdoor tests reveals how temperature alters the current of perovskite/silicon tandem solar cells and how this changes the optimal bandgaps.

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Fig. 1: The effect of temperature on perovskite/silicon solar cells.

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Correspondence to Jan Christoph Goldschmidt.

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Goldschmidt, J.C. Tandem cells under the weather. Nat Energy 5, 828–829 (2020).

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