Table 1.

Photovoltaic parameters of perovskite solar cells as a function of different mole ratios of PbCl₂ and MAI

PbCl2:MAI	V oc (V)	J sc (mA/cm2)	FF (%)	η (%)
1:3	0.76 ± 0.01	18.1 ± 0.2	61.9 ± 1.6	8.8 ± 0.1
1.05:3	0.82 ± 0.02	19.3 ± 0.3	64.0 ± 1.5	9.3 ± 0.2
1.1:3	0.88 ± 0.01	19.7 ± 0.1	65.0 ± 0.5	11.3 ± 0.2
1.15:3	0.85 ± 0.01	18.5 ± 0.2	61.5 ± 1.5	9.3 ± 0.3