Table 1.

Solar cell parameters obtained with different CZTS NP concentrations

CZTS (mg/mL)	V OC (V)	J SC (mA/cm2)	FF (%)	PCE (%)	R S (Ω cm2)	R SH (Ω cm2)
0	0.61	9.90	54.61	3.30	13	1565
0.5	0.61	10.38	56.71	3.58	11	1527
1.0	0.61	10.67	55.09	3.65	13	1473
1.5	0.61	10.21	52.86	3.27	14	789
2.0	0.59	9.67	48.51	2.75	17	629