Fabrication of a Porous TiO<sub>2</sub>-Coated Silica Glass Tube and Its Application for a Handy Water Purification Unit

<table>Raman spectrum of the surface of the porous TiO<sub>2</sub>-coated a-silica glass tube.</table>

International Journal of Photoenergy

Figure 4: Fabrication of a Porous TiO<sub>2</sub>-Coated Silica Glass Tube and Its Application for a Handy Water Purification Unit 