Anodic Growth Behavior of TiO₂ Nanotube Arrays with Process Parameter Control

Figure 2

FE-SEM image of TiO₂ nanotube arrays with different process time ((a) 10 min, (b) 20 min, (c) 30 min, (d) 40 min, (e) 50 min, and (f) 60 min).

(a)

(b)

(c)

(d)

(e)

(f)