Influence of the Porosity of the TiO₂ Film on the Performance of the Perovskite Solar Cell

Table 1

Photovoltaic performance of CH₃NH₃PbI₃ based devices as a function of different wt% of PS.

wt% of PS	(Ω)	Rs (Ω·cm^2)	(mA/cm^2)	(V)	Fill factor (%)	Efficiency (%)
0	1220	1.57	19.07	0.91	57.99	10.07
0.5	3860	0.43	19.64	0.94	64.91	11.92
1.0	5320	0.56	19.44	0.93	69.91	12.62
1.5	3700	0.71	19.54	0.90	63.47	11.14