Journal
APPLIED SURFACE SCIENCE
Volume 349, Issue -, Pages 292-298Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.apsusc.2015.04.213
Keywords
Au/CdMoO4 composites; Visible light; Surface plasmon resonance; Selective oxidation; Charge transfer mechanisms
Categories
Funding
- National Natural Science Foundation of China [21003022, 21303019, 21177024]
- Natural Science Foundation of Fujian Province [2014J01047]
- University Distinguished Young Research Talent Training Program of Fujian Province [JA12019]
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Novel visible-light-driven plasmonic Au/CdMoO4 photocatalysts were synthesized by hydrothermal process following chemical reduction process. The catalysts were characterized by X-ray diffraction, transmission electron microscopy, UV-vis diffuse reflectance spectroscopy and X-ray photoelectron spectroscopy. The results show the catalysts exhibited strong visible light absorption due to the surface plasmon resonance effect of Au nanoparticles. Compared to CdMoO4, Au/CdMoO4 composites displayed superior photocatalytic activities for the selective oxidation of benzylic alcohol to benzaldehyde under visible light. The highest conversion was obtain by the 1.6% Au loaded CdMoO4. The mechanism for the selective oxidation of benzylic alcohol in the Au/CdMoO4 system is proposed. (C) 2015 Elsevier B.V. All rights reserved.
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