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首页> 外文期刊>Crystal growth & design >Growth and characterization of single-crystal Y2O3 : Eu nanobelts prepared with a simple technique
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Growth and characterization of single-crystal Y2O3 : Eu nanobelts prepared with a simple technique

机译:用简单技术制备的Y2O3:Eu纳米单晶带的生长和表征

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摘要

In this paper, we report on the synthesis of single-crystalline Y2O3:Eu nanobelts via a simple, rapid, and efficient one-step technique without using any templates or catalysts. The prepared products were characterized by X-ray powder diffraction (XRD), transmission electron microscopy (TEM), high-resolution transmission microscopy (HRTEM), and selected area electron diffraction ( SAED). The effects of pH, reaction temperature, and process time on the phase structure and morphology of the product are studied. The possible growth mechanism of Y2O3 nanobelts is discussed on the basis of the crystal structure of the materials. Photoluminescence results indicate that the Y2O3:Eu nanobelts have a strong red D-5(0)-> F-7(2) transition.
机译:在本文中,我们报告了通过简单,快速,高效的一步法,无需使用任何模板或催化剂即可合成Y2O3:Eu单晶纳米带。通过X射线粉末衍射(XRD),透射电子显微镜(TEM),高分辨率透射显微镜(HRTEM)和选择区域电子衍射(SAED)对所制备的产物进行表征。研究了pH,反应温度和处理时间对产物的相结构和形态的影响。基于材料的晶体结构,讨论了Y2O3纳米带的可能的生长机理。光致发光结果表明,Y2O3:Eu纳米带具有很强的红色D-5(0)-> F-7(2)过渡。

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