Synthesis and Characterization of Visible Light Driven Mesoporous Nano-Photocatalyst MoO3/TiO2
A novel mesoporous-structured photocatalyst MoO3/TiO2 was synthesized through a modified sol–gel method by using P123 as the template, and the resulting nano-photocatalysts were characterized by X-ray diffraction (XRD), N2 adsorption measurements, transmission electron microscope (TEM), UV-vis spectroscopy, XPS and Raman techniques. Low-angle XRD and TEM images show the lack of long-range order in the as-prepared MoO3/TiO2, but the Mo species are homogenously dispersed on the anatase matrix. According to the results of N2 ads-desorption, the calcined products possess the high surface area and the pore size distribution centered between 4–7 nm. The calcined meso-MoO3/TiO2 materials exhibit the high photocatalytic activity for the degradation of MB (methylene blue) under visible light radiation.
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Document Type: Research Article
Publication date: March 1, 2012
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