Extensive efforts are under way to increase not only the efficiency but also the stability of organic-inorganic halide perovskite based solar cells. However, research shows that iodine-containing perovskites are vulnerable to a self-degradation pathway that may inherently limit their lifetime.
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Wilks, R., Bär, M. Perovskite solar cells: Danger from within. Nat Energy 2, 16204 (2017). https://doi.org/10.1038/nenergy.2016.204
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DOI: https://doi.org/10.1038/nenergy.2016.204
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