Annealing Effects on Photocatalytic Activity of Zn_0.2Cd_0.8S Films Prepared by Chemical Bath Deposition

Figure 3

Optical absorption spectra of Zn_0.2Cd_0.8S alloyed films (a) annealed at 200°C, 300°C, 400°C, and 500°C, respectively, with heating rate of 5°C/min. (b) Annealed at 400°C with heating rate of 2°C/min, 5°C/min and, 10°C/min, respectively.

(a)

(b)