Journal
INTERNATIONAL JOURNAL OF PHOTOENERGY
Volume 2014, Issue -, Pages -Publisher
HINDAWI LTD
DOI: 10.1155/2014/695679
Keywords
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Funding
- National Natural Science Foundation of China [21103042, 21471047, 20973054, 21203054]
- Program for Changjiang Scholars and Innovation Research Team in University [PCS IRT1126]
- Specialized Research Fund for the Doctoral Program of Higher Education [20114103120001]
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Mesoporous CeOx/TiO2 nanoparticles have been successfully synthesized using titanate nanotubes as precursor through the hydrothermal-calcination method. The as-prepared materials were characterized by means of X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), transmission electron microscope (TEM), UV-vis diffuse reflectance spectra and nitrogen adsorption-desorption isotherm analysis. All the obtained CeOx/TiO2 materials exhibit anatase phase. Ce element existed in two valance states of Ce3+ and Ce4+. Introduction of Ce species can effectively extend the spectral response from UV to visible light region. N-2 adsorption-desorption analysis revealed that all the samples belong to mesoporous structure and have large BET surface area compared with P25. The CeOx/TiO2 nanoparticles showed excellent photocatalytic activity in the degradation of MB under visible light irradiation.
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