Research Article
Achieving Enhanced Dye-Sensitized Solar Cell Performance by TiCl4/Al2O3 Doped TiO2 Nanotube Array Photoelectrodes
Figure 5
Electrochemical impedance spectroscopy (EIS) Nyquist plots of TiCl4/Al2O3 posttreatment on TiO2 nanotubes film with different concentrations.