期刊
CRYSTAL GROWTH & DESIGN
卷 11, 期 11, 页码 5002-5009出版社
AMER CHEMICAL SOC
DOI: 10.1021/cg200904t
关键词
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资金
- Natural Science Foundation of China [30800256]
- Research Fund for the Doctoral Program of Higher Education of China [200804971065]
- Natural Science Foundation of Hubei Province of China [2008CDB035]
- WUT [20101a012]
Cerium molybdate (Ce-Mo) hierarchical architectures (such as the flowerlike, microspheric, and bundlelike structure) are successfully synthesized via a facile route with the assistance of amino acid (lysine, Lys). The influences of reaction parameters on the crystal structure and morphology of Ce-Mo hierarchical architectures are investigated. Samples obtained are characterized using X-ray. diffraction (XRD), field-emission scanning electron microscopy (FESEM), transmission electron microscopy (TEM), Fourier transform infrared spectra (FT-IR), and thermogravimetric analysis (TGA). Furthermore, the photocatalytic and adsorption performances of samples obtained are investigated using different dyes, such as Cationic red X-GTL, Congo red, Methylene blue, Acid blue 80, and Methyl orange, as the model. The results show that Ce-Mo hierarchical architectures exhibit remarkably high efficiency to photocatalytically decompose Congo red under visible light irradiation, and significant adsorption performance on Cationic red X-GTL and Methylene blue. Contrarily, neither photocatalytic nor adsorption performance was observed on Methyl orange and Acid blue 80. Therefore, the as-synthesized Ce-Mo hierarchical architectures display promising potential for the removal of organic contaminants for environmental protection.
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