Photoelectrocatalytic Degradation of Humic Acids Using Codoped TiO<sub><b>2</b></sub> Film Electrodes under Visible Light

<table>Removal efficiency curves of humic acid over 2 : 3 Cu/N codoped TiO<sub>2</sub> film by photocatalysis.</table>

International Journal of Photoenergy

Figure 8: Photoelectrocatalytic Degradation of Humic Acids Using Codoped TiO<sub><b>2</b></sub> Film Electrodes under Visible Light 