Journal
SCIENCE CHINA-CHEMISTRY
Volume 56, Issue 4, Pages 443-450Publisher
SCIENCE PRESS
DOI: 10.1007/s11426-013-4845-5
Keywords
microwave; hydrothermal; photocatalytic activity; surface plasmon resonance
Categories
Funding
- National Basic Research Program of China [2013CB922102]
- National Natural Science Foundation of China [21021062]
- US National Science Foundation [CHE-1012173]
- Direct For Mathematical & Physical Scien
- Division Of Chemistry [1012173] Funding Source: National Science Foundation
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Cube-like Ag-Ag2MoO4 composite has been successfully prepared in the presence of PVP (polyvinylpyrrolidone) via a facile microwave-assisted hydrothermal process. Studies of its photocatalytic performance in the decomposition of RhB indicate that the cube-like Ag-Ag2MoO4 composite exhibits good catalytic activities under visible-light irradiation. The face that Ag promotes the absorption of visible light may be attributed to the surface plasmon resonance. Further XRD characterization after recycle photocatalytic tests confirms that partial Ag+ ions in Ag2MoO4 have been reduced to metallic Ag. Reaction temperature, reaction time and the amount of PVP have also been studied and found to play crucial roles in the formation of the cube-like microstructures.
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