Research Article

Synthesis of Colloidal ZnO Nanoparticles and Deposit of Thin Films by Spin Coating Technique

Figure 2

FT-IR spectra of ZnO powders (a) after one, two, and three times precipitation-redispersion method, (b) the same conditions after annealing process at 600°C.
903191.fig.002a
(a)
903191.fig.002b
(b)