Cu(In,Ga)Se₂ Thin Films Codoped with Sodium and Bismuth Ions for the Use in the Solar Cells

Table 2

Solar cell parameters of Cu(In,Ga)Se₂ films.

Sample	(V)	(mA/cm^2)	FF (%)	(mS/cm^2)	(Ω cm^2)	(%)
A	0.34	32.98	43.66	21.0	1.46	4.8
B	0.41	33.42	46.70	9.6	0.94	6.5
C	0.40	33.67	47.20	14.8	0.83	6.3
D	0.43	32.58	48.70	9.8	0.76	6.9