Enhanced Photovoltaic Properties of Dye-Sensitized Solar Cells through Ammonium Hydroxide-Modified (Nitrogen-Doped) Titania Photoanodes

<div>(a) Nyquist plots of the DSSCs assembled with pure TiO<sub>2</sub>, 20N-TiO<sub>2</sub>, and 40N-TiO<sub>2</sub> photoanodes tested under the dark condition and (b) bode plots of the same devices.</div>

International Journal of Energy Research

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Figure 9

Figure 9: Enhanced Photovoltaic Properties of Dye-Sensitized Solar Cells through Ammonium Hydroxide-Modified (Nitrogen-Doped) Titania Photoanodes 