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<table>Zeta potential of N-doped TiO<sub>2</sub> powders in phenol aqueous solution at different pH values.</table>

International Journal of Photoenergy

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Figure 8

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International Journal of Photoenergy

Nanocrystalline N-Doped Powders: Mild Hydrothermal Synthesis and Photocatalytic Degradation of Phenol under Visible Light Irradiation

Figure 8