Electronic Structure and Optical Properties of N/Si-Codoped Anatase TiO<sub><b>2</b></sub> Evaluated Using First Principles Calculations

<table>Structural model for pure anatase TiO<sub>2</sub> and doping sites. Red and gray spheres represent O and Ti atoms, respectively.</table>

International Journal of Photoenergy

Figure 1: Electronic Structure and Optical Properties of N/Si-Codoped Anatase TiO<sub><b>2</b></sub> Evaluated Using First Principles Calculations 