Research Article

Development of Well-Aligned TiO2 Nanotube Arrays to Improve Electron Transport in Dye-Sensitized Solar Cells

Figure 4

Scanning electron microscopic images (SEM): (a) cross-sectional image of transplanted TNT onto TNP, and (b) top view of 1 wt% TNT-mixed TNP photoelectrode.
215802.fig.004a
(a)
215802.fig.004b
(b)