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Table 2 Photovoltaic parameters of the champion devices based on BA2MA4Pb5I16-10xBr10x films with various amounts of bromine

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

Sample VOC (V) JSC (mA/cm2) FF (%) PCE (%)
x = 0 0.89 8.28 40.79 3.01
x = 0.05 0.95 14.84 63.02 8.88
x = 0.10 1.02 17.86 66.91 12.19
x = 0.15 1.06 14.59 50.73 7.85