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Comment on "Low-frequency lattice phonons in halide perovskites explain high defect tolerance toward electron-hole recombination"

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arxiv 2003.05394 v1 pith:2T2SPAJF submitted 2020-03-11 cond-mat.mtrl-sci

classification cond-mat.mtrl-sci
keywords electron-holehalideperovskitesrecombinationanalysisarguearisesbreakdown
verification ladder T0 review T1 audit T2 compute T3 formal
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Halide perovskites exhibit slow rates of non-radiative electron-hole recombination upon illumination. Chu et al. [Sci. Adv. 6 7, eaaw7453 (2020)] use the results of first-principles simulations to argue that this arises from the nature of the crystal vibrations and leads to a breakdown of Shockley-Read-Hall theory. We highlight flaws in their methodology and analysis of carrier capture by point defects in crystalline semiconductors.

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