Journal
MATERIALS RESEARCH BULLETIN
Volume 48, Issue 7, Pages 2557-2565Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.materresbull.2013.03.011
Keywords
Nanostructures; Crystal growth; Electron microscopy; Catalytic properties
Categories
Funding
- Student Innovation and Entrepreneurship Training Program of China [201210360109]
- Natural Science Foundation of the Education Bureau of Anhui Province of China [KJ2012Z038]
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Mn vanadate nanosheets have been synthesized via a facile hydrothermal route using ammonium metavanadate and Mn acetate as the raw materials, polyvinyl pyrrolidone (PVP) as the surfactant. X-ray diffraction (XRD) shows that the Mn vanadate nanosheets are composed of monoclinic MnV2O6 phase. Scanning electron microscopy (SEM) observation indicates that the nanosheets have the average thickness of about 50 nm, length of 2-10 mu m and width of 800 nm to 2 mu m. The growth process of the Mn vanadate nanosheets has also been discussed based on the analysis of the roles of the growth conditions on the formation of the Mn vanadate nanosheets. The nanosheets show good photocatalytic activities for the degradation of methylene blue (MB) under visible light irradiation. About 72.96% MB can be degraded after visible light irradiation for 1 h over 10 mg Mn vanadate nanosheets in 10 mL MB solution with the concentration of 10 mg L-1. (C) 2013 Elsevier Ltd. All rights reserved.
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