Wetting and Photocatalytic Properties of TiO₂ Nanotube Arrays Prepared via Anodic Oxidation of E-Beam Evaporated Ti Thin Films

Figure 2

XRD patterns and surface SEM images of TNAs annealed at 400°C, 500°C, and 600°C.

(a)

(b) 400°C

(c) 500°C

(d) 600°C