Preparation of Glass Plate-Supported Nanostructure ZnO Thin Film Deposited by Sol-Gel Spin-Coating Technique and Its Photocatalytic Degradation to Monoazo Textile Dye

Figure 5

((a)–(c)) SEM images of the ZnO thin film at different temperature ((a) = 350^°C, (b) = 450^°C, and (c) = 550^°C), (d) AFM image ZnO thin film prepared at 450^°C.

(a)

(b)

(c)

(d)