Influence of Anode Area and Electrode Gap on the Morphology of Nanotubes Arrays
Figure 1
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 anode areas: (a) 5 cm × 0.5 cm, (b) 5 cm × 1 cm, (c) 5 cm × 2 cm, and (d) 5 cm × 4 cm.