Sol-Gel to Prepare Nitrogen Doped TiO<sub>2</sub> Nanocrystals with Exposed {001} Facets and High Visible-Light Photocatalytic Performance

<table>The photocatalytic performance of S2-500 in the degradation of different organic pollutants.</table>

International Journal of Photoenergy

Figure 9: Sol-Gel to Prepare Nitrogen Doped TiO<sub>2</sub> Nanocrystals with Exposed {001} Facets and High Visible-Light Photocatalytic Performance 