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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

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