Research Article

Sol-Gel Synthesis of TiO2/SiO2 and ZnO/SiO2 Composite Films and Evaluation of Their Photocatalytic Activity towards Methyl Green

Figure 2

SEM images of TiO2/SiO2 composite film with scale bars of (a) 1 μm, (b) 0.5 μm, and (c) EDX spectrum of TiO2/SiO2 composite film.
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(a)
507161.fig.002b
(b)
507161.fig.002c
(c)