Selective synthesis and growth mechanism of CeVO4 nanoparticals via hydrothermal method
来源期刊:Journal of Rare Earths2011年第2期
论文作者:刘凤珍 邵鑫 尹贻彬 赵利民 孙巧珍 邵珠伟 刘雪华 孟宪华
文章页码:97 - 100
摘 要:Selective-controlled structure and shape of CeVO4 nanocrystals were successfully synthesized via a hydrothermal method from Na3VO4·12H2O and Ce(NO3)3·6H2O.The resulting products were characterized by X-ray powder diffraction (XRD),field emission scanning electron microscopy (FESEM) and energy dispersive spectroscopy (EDS).The influence of hydrothermal temperature,precursor solution concentration on the crystal and morphology of products were further studied.The results showed that the as-synthesized products exhibited pure single-crystal CeVO4 nanoparticles with tetragonal structure.The hydrothermal temperature and precursor solution concentration had important effects on the formation of CeVO4 nanoparticles.Furthermore,the growth mechanism of CeVO4 nanoparticles was explained with Ostwald ripening mechanism.
刘凤珍1,邵鑫1,2,3,尹贻彬1,3,赵利民1,3,孙巧珍1,邵珠伟1,刘雪华1,孟宪华1
1. College of Materials Science and Engineering,Liaocheng University2. State Key Laboratory of Solid Lubrication,Lanzhou Institute of Chemical Physics,Chinese Academy of Sciences3. Renewable Energy & Eco-Materials Engineering Center,Liaocheng University
摘 要:Selective-controlled structure and shape of CeVO4 nanocrystals were successfully synthesized via a hydrothermal method from Na3VO4·12H2O and Ce(NO3)3·6H2O.The resulting products were characterized by X-ray powder diffraction (XRD),field emission scanning electron microscopy (FESEM) and energy dispersive spectroscopy (EDS).The influence of hydrothermal temperature,precursor solution concentration on the crystal and morphology of products were further studied.The results showed that the as-synthesized products exhibited pure single-crystal CeVO4 nanoparticles with tetragonal structure.The hydrothermal temperature and precursor solution concentration had important effects on the formation of CeVO4 nanoparticles.Furthermore,the growth mechanism of CeVO4 nanoparticles was explained with Ostwald ripening mechanism.
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