Sprayed Pyrolyzed ZnO Films with Nanoflake and Nanorod Morphologies and Their Photocatalytic Activity

Figure 2

SEM images of ZnO films of Set 1 obtained with different precursors (ZnAc (a–c); ZnCl₂ (d–f)) and concentrations 0.05 M (a, d), 0.1 M (b, e), and 0.2 M (c, f) dissolved in water.

(a)

(b)

(c)

(d)

(e)

(f)