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Science China Chemistry

, Volume 56, Issue 4, pp 443–450 | Cite as

Microwave-assisted hydrothermal synthesis of cube-like Ag-Ag2MoO4 with visible-light photocatalytic activity

  • ZhaoQian Li
  • XueTai Chen
  • Zi-Ling Xue
Articles Special Topic Nano and Functional Materials

Abstract

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.

Keywords

microwave hydrothermal photocatalytic activity surface plasmon resonance 

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Copyright information

© Science China Press and Springer-Verlag Berlin Heidelberg 2013

Authors and Affiliations

  1. 1.State Key Laboratory of Coordination Chemistry, Nanjing National Laboratory of Microstructures, School of Chemistry and Chemical EngineeringNanjing UniversityNanjingChina
  2. 2.Department of ChemistryThe University of TennesseeKnoxvilleUSA

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