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

Figure 6

(a) XRD spectra of ZnO seed layer and (inset) ZnO films of Set 3 deposited in two steps with different solvent composition water/methanol and (b) grain size of ZnO films of Set 2 and Set 3.

(a)

(b)