A Review on Nanotube Film Photocatalysts Prepared by Liquid-Phase Deposition
Figure 7
Schematic diagrams for (a) energy bands of p-BiOI and n-TiO2 before contact and (b) the formation of a p-n junction and its energy band diagram at equilibrium and transfer of photoinduced electrons from p-BiOI to n-TiO2 under visible-light irradiation [56].
