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Exploiting polymorphism to create heterojunctions for photovoltaics

Nature Energy volume 7, pages 1130–1131 (2022)Cite this article

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A phase heterojunction (PHJ) solar cell is formed by interfacing two phases of the perovskite CsPbI3 — each of which exhibits different opto-electronic properties. Devices based on PHJs reach a maximum power conversion efficiency of 20.17%, surpassing the 15% achieved by devices based on either of the single phases alone.

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Fig. 1: Phase heterojunction solar cells.

References

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This is a summary of: Ji, R. et al. Perovskite phase heterojunction solar cells. Nat. Energy https://doi.org/10.1038/s41560-022-01154-y (2022).

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Exploiting polymorphism to create heterojunctions for photovoltaics. Nat Energy 7, 1130–1131 (2022). https://doi.org/10.1038/s41560-022-01158-8

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