Surface Morphology and Growth of Anodic Titania Nanotubes Films: Photoelectrochemical Water Splitting Studies

Figure 3

The current density-time behavior during the anodization of Ti foils at 60 V in EG electrolyte containing 5 wt% H₂O₂ and different amounts of NH₄F, (a) 1 wt%, (b) 3 wt%, and (c) 5 wt%.