Effect of Growth Parameters and Annealing Atmosphere on the Properties of Cu₂ZnSnS₄ Thin Films Deposited by Cosputtering

Figure 5

Optical properties of CZTS thin film annealed in sulfur vapor at 530°C; (a) absorbance, (b) optical absorption coefficient, (c) optical band gap (1.5 eV), and (d) Raman.

(a)

(b)

(c)

(d)