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

Figure 5

SEM images for the films deposited in two steps (Set 3) with different solvent composition water/methanol: (a) 100/0, (b) 50/50, (c) 50/50, (d) 25/75, and  (e) 0/100.

(a)

(b)

(c)

(d)

(e)