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

Table 1

The integral photocurrent density (), open-circuit voltage (), fill factor (FF), and efficiency () of dye-sensitized solar cells fabricated using TiCl₄ treatment on TiO₂ nanotubes film.

Sample	(V)	(A/cm^2)	FF (%)	(%)
Bare TNTs film	0.61	12.53	60.78	4.69
TiCl4 90 mM (30 min)	0.60	18.94	62.57	7.16
TiCl4 90 mM (60 min)	0.60	20.09	62.50	7.59
TiCl4 90 mM (90 min)	0.61	20.72	63.90	8.08
TiCl4 90 mM (120 min)	0.60	20.26	66.92	7.71