A study on the formation of methylammonium lead iodide perovskite films reveals that light illumination influences the crystallization kinetics, therefore affecting the final photovoltaic performance of these materials.
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Bakr, O., Mohammed, O. Shedding light on film crystallization. Nature Mater 16, 601–602 (2017). https://doi.org/10.1038/nmat4908
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DOI: https://doi.org/10.1038/nmat4908