Research Article

Influence of Anode Area and Electrode Gap on the Morphology of Nanotubes Arrays

Figure 2

FE-SEM images of the surface morphology of TiO2 nanotube arrays formed at 10 V in ethylene glycol containing 0.4wt% NH4F and 5wt% H2O electrolyte for 1 h. with different electrode gaps: (a) 5 mm, (b) 10 mm, and (c) 40 mm.
534042.fig.002a
(a)
534042.fig.002b
(b)
534042.fig.002c
(c)