Research Article

Preparation and Photocatalytic Performance of Nano-TiO2 Codoped with Iron III and Lanthanum III

Figure 2

XRD spectra of the prepared nano-TiO2 photocatalysts, (a) La-TiO2, (b) 0.01% Fe/1.0% La-TiO2, (c) 0.01% Fe/0.6% La-TiO2, (d) Fe-TiO2, and (e) TiO2.