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. 2020 Dec 23;6(1):232–248. doi: 10.1021/acsenergylett.0c02105

Figure 4.

Figure 4

(A) PL of MAPb(Br0.4I0.6)3 thin film under illumination at 300 K. Inset shows the temperature dependence of the PL growth rate. (B) Schematic illustration of the photoinduced trap formation in mixed-halide perovskite film. (A and B) Reprinted with permission from ref (93). Copyright 2015 The Royal Society of Chemistry. (C) A series of snapshots from a domain-formation simulation with iodide-rich regions in yellow- and bromide-rich regions in blue. (D–F) Cathodoluminescence imaging of the formation and evolution of iodide-rich clusters. (C–F) Reprinted with permission from ref (57). Copyright 2017 American Chemical Society.