Characterization and Analysis of Ultrathin CIGS Films and Solar Cells Deposited by 3-Stage Process

Table 5

Results from the simulation for CIGS solar cells with different thicknesses and with different defect density (the experimental results are in parentheses for comparison).

Simulated data (measured data)
Thickness (μm)	(V)	(mA/cm^2)	FF (%)	Eff (%)	Defect density (cm^−3)
1.95	0.63 (0.63)	35.2 (35.1)	74.9 (74.6)	16.7 (16.6)	5 × 10^11
1.55	0.63 (0.63)	34.5 (34.3)	73.1 (72.4)	15.9 (15.4)	5 × 10^11
1.25	0.62 (0.62)	34.3 (34.3)	72.8 (72.2)	15.5 (15.4)	5 × 10^11
0.75	0.58 (0.55)	32.4 (32.4)	70.8 (70.8)	13.5 (13.2)	1.5 × 10^14
0.55	0.52 (0.52)	30.9 (30.9)	63.7 (63.5)	10.2 (10.2)	9.5 × 10^14
0.35	0.50 (0.50)	29.6 (28.1)	61.7 (61.2)	9.1 (8.6)	1.6 × 10^15