Charge carriers in metal halide perovskites seem to be only marginally affected by defect-related trap states. Filippo De Angelis and Annamaria Petrozza suggest that the key to this behaviour lies in the redox chemistry of halide defects.
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adapted from ref. 4, Royal Society of Chemistry
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De Angelis, F., Petrozza, A. Clues from defect photochemistry. Nature Mater 17, 383–384 (2018). https://doi.org/10.1038/s41563-018-0069-6
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DOI: https://doi.org/10.1038/s41563-018-0069-6
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