Journal
ENVIRONMENTAL SCIENCE & TECHNOLOGY
Volume 43, Issue 11, Pages 4164-4168Publisher
AMER CHEMICAL SOC
DOI: 10.1021/es900393h
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Funding
- National Natural Science Foundation of China [20537010, 20677010, 20873023]
- 863 Project From the MOST of China [2006AA03Z340]
- National Basic Research Program of China (973 Program) [2007CB613306]
- Science Foundation of Fujian, China [200317004, JA07001, 0330-033070]
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A nanocrystal heterojunction LaVO4/TiO2 visible light photocatalyst has been successfully prepared by a simple coupled method. The catalyst was characterized by powder X-ray diffraction, nitrogen adsorption-desorption, transmission electron microscopy, UV-vis diffuse reflectance spectroscopy, X-ray photoelectron spectra, photoluminescence, and electrochemistry technology. The results showed that the prepared nanocomposite catalysts exhibited strong photocatalytic activity for decomposition of benzene under visible light irradiation with high photochemical stability. The enhanced photocatalytic performance of LaVO4/TiO2 may be attributed to not only the matched band potentials but also interconnected heterojunction of LaVO4 and TiO2 nanoparticles.
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