Fabrication of a Porous TiO2-Coated Silica Glass Tube and Its Application for a Handy Water Purification Unit
Figure 3
SEM images of the surface (a) and the cross-section (b) of the porous TiO2-coated a-silica glass tube and a high-magnification SEI of cross-section of stacked TiO2 layers over a-silica layers (c).
