Table 2 PV performance of top, bottom subcell (under filtered spectrum) and tandem cell at the current matching point.

From: Current matched all perovskite tandem solar cells with low lead perovskites achieving 31.9% efficiency and enhanced stability

PV performance

PCE (%)

VOC (V)

JSC (mA/cm2)

FF (%)

CsPb0.75Sn0.25IBr2 based top subcell (under AM 1.5G spectrum)

20.6

1.39

16.84

87.61

Cs2Ti6-based bottom subcell (under filtered spectrum)

20.9

0.78

16.84

85.61

CsPb0.75Sn0.25IBr2/Cs2Ti6 MTSC (tandem)

31.9

2.18

16.84

86.97

Back to article page