Research Article

Anodic Growth Behavior of TiO2 Nanotube Arrays with Process Parameter Control

Figure 11

FE-SEM image of titanium grain with different annealing temperature ((a) not annealed, (b) 500°C, (c) 800°C, (d) 950°C, and (e) 1100°C).
(a)
(b)
(c)
(d)
(e)