Now that certified energy conversion efficiencies for perovskite solar cells are above 20%, researchers are exploring other critical areas, such as understanding device hysteresis and film growth, as well as the replacement of lead and the development of tandem cell stacks. Cell stability remains a crucial issue.
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Green, M., Bein, T. Perovskite cells charge forward. Nature Mater 14, 559–561 (2015). https://doi.org/10.1038/nmat4301
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DOI: https://doi.org/10.1038/nmat4301
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