Impact on Structural and Optical Properties of CZTS Thin Films with Solvents and Ge Incorporation

Figure 7

(a–d) UV/visible transmission and Tauc plots for the CZTS, CZTS-PVA, and CZTS-DMSO and CZGTS, CZGTS-PVA, and CZGTS-DMSO thin films.

(a)

(b)

(c)

(d)