Improving Efficiency of Evaporated Cu₂ZnSnS₄ Thin Film Solar Cells by a Thin Ag Intermediate Layer between Absorber and Back Contact

Figure 3

IV parameters of 10 CZTS solar cells each from the sample with and without the Ag intermediate layer: (a) open circuit voltage (); (b) short circuit current density (); (c) fill factor (FF); and (d) efficiency.

(a)

(b)

(c)

(d)