Effect of Applied Potential on the Formation of Self-Organized Nanotube Arrays and Its Photoelectrochemical Response
Figure 1
FESEM images of TiO2 nanotube arrays fabricated at different applied potential in 1 M of glycerol electrolyte containing 0.5 wt% NH4F for 30 minutes at (a) 10 V, (b) 20 V, (c) 30 V, (d) 40 V, and (e) 50 V. Insets are the cross-section morphology of the TiO2 nanotube arrays.