Figure 5From: Simple fabrication of N-doped mesoporous TiO2 nanorods with the enhanced visible light photocatalytic activityThe schematic illustration for N-doped mesoporous TiO 2 nanorods. (a) Formation of colloidal nucleus. (b) Rearrangement of colloidal nucleus. (c) Formation of rod-like structures. (d) Formation of N-doped mesoporous TiO2 nanorods.Back to article page