Figure 7From: Enhancement of the photoelectric performance of dye-sensitized solar cells using Ag-doped TiO2 nanofibers in a TiO2 film as electrodeDSSCs' intensity-modulated photovoltage spectroscopy results. Pure TiO2 film (black filled circle) and TiO2 films with 5 wt.% TN (blue empty square) or ATN (red inverted filled triangle).Back to article page