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Table 1 Time-resolved PL parameters of BA2MA4Pb5I16-10xBr10x films spin-coated on glass substrates

From: Stable High-Efficiency Two-Dimensional Perovskite Solar Cells Via Bromine Incorporation

Sample A1 τ1 (ns) A2 τ2 (ns) τ (ns)
0 (x = 0) 0.86 0.49 0.14 3.45 0.90
5 (x = 0.05) 0.80 1.32 0.20 6.08 2.72
10 (x = 0.10) 0.75 1.59 0.25 9.12 3.47
15 (x = 0.15) 0.83 0.76 0.17 4.04 1.31