Synthesis of SmOHCO3 micro/nano particles from the coupling route of homogeneous precipitation with microemulsion

SmOHCO3micro/nano particles were prepared in water/oil （W/O） reverse microemulsion composed of cetyltrimethyl ammonium bromide （CTAB）, n-octane, n-butanol, Sm（NO3）3·6H2O and urea aqueous solution by the coupling route of homogeneous precipitation with microemulsion. The nanoparticles were characteri...

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Bibliographic Details
Published in:Journal of rare earths 2014-06, Vol.32 (6), p.553-557
Main Author: 朱文庆 瞿芳 陈浩军 李卓 刘斌
Format: Article
Language:English
Subjects:
homogeneous precipitation
micro-emulsion
rare earths
SmOHCO3
TG-DTG
X射线粉末衍射
十六烷基三甲基溴化铵
反相微乳液
合成
均相沉淀
纳米颗粒
耦合途径
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Summary:SmOHCO3micro/nano particles were prepared in water/oil （W/O） reverse microemulsion composed of cetyltrimethyl ammonium bromide （CTAB）, n-octane, n-butanol, Sm（NO3）3·6H2O and urea aqueous solution by the coupling route of homogeneous precipitation with microemulsion. The nanoparticles were characterized and analyzed by X-ray powder diffraction （XRD）, thermal gravimetric and differential thermal gravimetric analysis （TG-DTG）, Fourier transform infrared absorption spectra （FT-IR） and scan-ning electron microscope （SEM）. The results showed that the phase SmOHCO3 micro/nano particles was in agreement with pure or-thorhombic phase. The different morphologies of SmOHCO3 micro/nano particles with good monodispersity and size were obtained by regulating the reaction temperature and reaction time. Possible formation mechanisms of the morphological structure of SmO-HCO3 were proposed and discussed.
ISSN:1002-0721
2509-4963
DOI:10.1016/S1002-0721(14)60107-1