For the sake of efficient utilization of sunlight, Ag nanoparticles loaded N-doped TiO2 photocatalysts (Ag/N–TiO2) were successfully fabricated via a two-step method to make the best use of the respective advantages of noble metal loading and nonmetal doping. Ag/N–TiO2 was characterized using XRD, XPS and UV–Vis DRS. Compared to TiO2, the dramatic enhancement of the visible-light-induced photocatalytic degradation efﬁciency of Ag/N–TiO2 obtained for the degradation of methyl orange should be attributed to the synergistic effect of N-doping and Ag-loading, including the good visible light absorption and the effective electron–hole separations. This demonstrates Ag/N–TiO2 is a promising photocatalytic material for organic pollutant degradation under visible light irradiation.
Visible light assisted photocatalytic degradation of methyl orange using Ag/N–TiO2 photocatalysts
Deyong Wu, Mingce Long; Visible light assisted photocatalytic degradation of methyl orange using Ag/N–TiO2 photocatalysts. Water Sci Technol 1 March 2012; 65 (6): 1027–1032. doi: https://doi.org/10.2166/wst.2012.926
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