Photocatalytic Activity and Characterization of Carbon-Modified Titania for Visible-Light-Active Photodegradation of Nitrogen Oxides

<table>UV-visible absorption spectra for SiO<sub>2</sub>, cC6/SiO<sub>2</sub>_110°C, and cC6/SiO<sub>2</sub>_200°C.</table>

International Journal of Photoenergy

Figure 11: Photocatalytic Activity and Characterization of Carbon-Modified Titania for Visible-Light-Active Photodegradation of Nitrogen Oxides 