期刊
INORGANIC CHEMISTRY
卷 48, 期 3, 页码 1082-1090出版社
AMER CHEMICAL SOC
DOI: 10.1021/ic801806r
关键词
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资金
- National Science Foundation of China [50732006, 20621061, 20671085, 20701035, 2005CB623601]
- Anhui Development Fund for Talent Personnel and Anhui Education Committee [2006Z027, ZD2007004-1]
- Specialized Research Fund for the Doctoral Program (SRFDP) of Higher Education State Education Ministry
- Partner-Group of the Chinese Academy of Sciences: The Max Planck Society
Highly hierarchical platelike FeWO4 microcrystals have been synthesized by a simple solvothermal route using FeCl3 center dot 6H(2)O and Na2WO4 center dot 2H(2)O as precursors, where ethylene glycol (EG) plays an important role as a capping agent in directing growth and self-assembly of such unique structures. In addition, a certain amount of CH3COONa (NaAc) was necessary for the formation of such unique FeWO4 microstructures. The photocatalytic property of as-synthesized hierarchical FeWO4 microcrystals has been first studied, which shows excellent photocatalytic activity for the degradation of rhodamine B (RhB) under UV and visible light irradiation (modeling sunlight). Moreover, magnetic measurement indicates that hexangular FeWO4 platelike microcrystals show a small ferromagnetic ordering at low temperature because, of spin-canting of antiferromagnetic materials and surface spins of FeWO4 nanoparticles.
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