Research Article

Neodymium-Doped with Anatase and Brookite Two Phases: Mechanism for Photocatalytic Activity Enhancement under Visible Light and the Role of Electron

Figure 1

(A) XRD patterns of pure TiO2 (a), Nd-doped TiO2 with Ti : Nd = 23 : 1 (b), and Nd-doped TiO2 with Ti : Nd = 11 : 1 (c). *anatase, #brookite. (B) The enlarged peak at (101) plane and (C) enlarged peak at (121) plane.