International Journal of Photoenergy / 2012 / Article / Fig 4

Research Article

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

Figure 4

High-resolution XPS spectrum of Nd 3d for Nd-doped TiO2 with Ti : Nd = 11 : 1.

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