]>Influence of the Synthesis pH on the Properties and Activity of Sol-Gel TiO<sub><bold>2</bold></sub> Photocatalysts : Figure 4
759561.fig.004a
(a)
759561.fig.004b
(b)
Figure 4: SEM micrographs spectra of TiO2 electrodes calcined at 5 0 0 ∘ C : (a) pH = 1.5 and (b) pH = 6.5.