Increases in solar conversion efficiencies of the ZrO2 nanofiber-doped TiO2 photoelectrode for dye-sensitized solar cells

Table 1 Photocurrent-voltage characteristics of DSSCs using TiO₂ with different amounts of ZrO₂ nanofibers

Sample	V_oc (V)	J_sc (mA/cm²)	FF	η(%)
Pure TiO₂	0.68	11.5	0.62	4.9
3 wt.% ZrO₂ nanofiber-doped TiO₂	0.69	14.9	0.60	6.2
5 wt.% ZrO₂ nanofiber-doped TiO₂	0.69	15.9	0.60	6.5
7 wt.% ZrO₂ nanofiber-doped TiO₂	0.69	14.7	0.59	6.0

V_oc, open-circuit photovoltage; J_sc, short-circuit photocurrent density; FF, fill factor; η, light-to-electricity conversion efficiency; TiO₂, titania; ZrO₂, zirconia.