Development of Well-Aligned TiO2 Nanotube Arrays to Improve Electron Transport in Dye-Sensitized Solar Cells
Figure 2
SEM images of TNT arrays by anodic oxidation of electropolished Ti foil at a constant voltage of 70 V: (a) cross-sectional image of TNT arrays, (b) top view of the TNT arrays with inset showing the TEM images of TNT.
