ZnO Film Photocatalysts

Figure 4

Variations of adsorption spectra of the organics dye solution in the presence of ZnO films irradiated by a Hg lamp for different time; (a) MO, (b) eosin red, and (c) CR (d); photocatalysis degradation rate of MO, eosin red, and CR.

(a)

(b)

(c)

(d)