Research Article

Characterization of Co2+- and Fe3+-Codoped TiO2 Nanomaterials for Photocatalytic Degradation of Organic Pollutants under Visible Light Irradiation

Figure 1

XRD patterns of (a) undoped TiO2, (b) TiO2-1%Co, (c) TiO2-2.5%Co, (d) TiO2-5%Co, and co-doped TiO2: (e) TiO2-1%Co-2.5%Fe and (f) TiO2-2.5%Co-2.5%Fe.