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首页> 外文期刊>Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics >Hydrothermal synthesis and photoluminescence of Ce~(3+) and Tb~(3+) doped La_2Sn_2O_7 nanocrystals
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Hydrothermal synthesis and photoluminescence of Ce~(3+) and Tb~(3+) doped La_2Sn_2O_7 nanocrystals

机译:Ce〜(3+)和Tb〜(3+)掺杂La_2Sn_2O_7纳米晶体的水热合成和光致发光

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摘要

Phase-pure Ce-/Tb-doped and co-doped lanthanum stannates (La_2Sn_2O_7) nanocrystals were synthesized by a co-precipitation process combined with hydrothermal techniques without any further heat treatment. The crystal structure, particle size, morphologies, and photoluminescence properties of the as-synthesized products were investigated by X-ray powder diffraction (XRD), transmission electron microscopy (TEM), and photoluminescence spectroscopy (PL). The as-prepared samples were single-phase cubic pyrochlore-type nanocrystals with a typical size of 10-20 nm.
机译:通过共沉淀工艺与水热技术相结合,合成了纯Ce / Tb掺杂和共掺杂锡酸镧(La_2Sn_2O_7)纳米晶体,无需进一步热处理。通过X射线粉末衍射(XRD),透射电子显微镜(TEM)和光致发光光谱(PL)研究了合成产物的晶体结构,粒度,形貌和光致发光性质。所制备的样品是单相立方烧绿石型纳米晶体,典型尺寸为10-20 nm。

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