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PEROVSKITE PHOTOVOLTAICS

Embrace your defects

Control of electron and hole concentrations in semiconductors is a longstanding challenge. Now, by managing defect populations, a p–n homojunction solar cell has been fabricated, opening a new avenue for metal halide perovskite devices.

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Fig. 1: Control of defect concentrations in metal halide perovskites.

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Correspondence to Aron Walsh.

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Park, JS., Walsh, A. Embrace your defects. Nat Energy 4, 95–96 (2019). https://doi.org/10.1038/s41560-019-0329-y

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