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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 217-218Solid-Phase Synthesis and Photocatalytic Property...

Solid-Phase Synthesis and Photocatalytic Property of Cobalt-Doped TiO₂ Mesoporous Materials

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Abstract:

Mesoporous cobalt-doped TiO2 (Co-TiO2) material has been synthesized by solid-state reaction route. The textural properties of the samples are monitored by the X-ray diffraction (XRD), high resolution transmission electron microscopy (HRTEM) and energy dispersive spectroscopy(EDS), Raman spectroscopy, N2-physisorption, Fourier transform infrared spectroscopy (FT-IR), ultraviolet visible light spectroscopy (UV-Vis) and X-ray photoelectron spectroscopy(XPS). It is shown that the mesoporous Co-TiO2 is consisted of polycrystalline with some amorphous mixture and trace cobalt oxide. Cobalt has been incorporated into the framework of anatase TiO2. The bending vibration at 1124 cm-1 of Co-O-Ti bond in mesoporous Co-TiO2 material is confirmed. Interestingly, it possesses a large BET surface area (97.6 m2/g) and a narrow distribution of pore size presenting a better photocatalytic reactivity for toluene oxidation. Within 150 min irradiation, the maximum conversion (95 mol%) of toluene oxidation is obtained.

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Periodical:

Advanced Materials Research (Volumes 217-218)

Pages:

1462-1468

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.217-218.1462

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Online since:

March 2011

Authors:

Shao You Liu, Qing Ge Feng

Keywords:

Cobalt-Doped TiO₂, Mesoporous Material, Photocatalytic, Solid Phase Synthesis, Toluene Oxidation

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© 2011 Trans Tech Publications Ltd. All Rights Reserved

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