Preparation of ZnO-Zn<sub>2</sub>TiO<sub>4</sub> Sol Composite Films  and Its Photocatalytic Activities

<table>PL spectra of the films. (a) ZnO and (b) ZnO + Zn<sub>2</sub>TiO<sub>4</sub>.</table>

Journal of Nanomaterials

Figure 4: Preparation of ZnO-Zn<sub>2</sub>TiO<sub>4</sub> Sol Composite Films  and Its Photocatalytic Activities 