Research ArticleEffect of Applied Potential on the Formation of Self-Organized Nanotube Arrays and Its Photoelectrochemical Response
Figure 5
The characteristics of TiO2 nanotubes with different applied potentials, (a) 30 V, (b) 20 V, (c) 40 V, (d) 50 V, (e) 10 V, and (f) as-anodized sample.