Achieving Enhanced Dye-Sensitized Solar Cell Performance by TiCl4/Al2O3 Doped TiO2 Nanotube Array Photoelectrodes

<div>FE-SEM images of (a) the surface of TiO2 nanotubes array; (b) the cross section of a TiO2 nanotube array; (c) the surface of TiCl4 treatment on TiO2 nanotubes array; and (d) the surface of TiCl4/Al2O3 posttreatment on TiO2 nanotubes array.</div>

Journal of Nanomaterials

fig2

Figure 2

Figure 2: Achieving Enhanced Dye-Sensitized Solar Cell Performance by TiCl4/Al2O3 Doped TiO2 Nanotube Array Photoelectrodes