| Y_2O_3：Eu~（3＋）@Gd_2O_3核壳结构发光材料的制备与浓度猝灭 |
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| 引用本文： | 刘桂霞,白海英,董相廷,王进贤. Y_2O_3：Eu~（3＋）@Gd_2O_3核壳结构发光材料的制备与浓度猝灭[J]. 硅酸盐学报, 2011, 39(9): 1411-1417 |
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| 作者姓名： | 刘桂霞 白海英 董相廷 王进贤 |
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| 作者单位： | 长春理工大学化学与环境工程学院,长春,130022 |
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| 基金项目： | 国家自然科学基金(51072026); 吉林省科技发展计划(20090528)资助项目 |
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| 摘 要： | 采用均相沉淀法制备均匀球形的Y2O3：Eu3＋@Gd2O3核壳结构纳米发光材料,用X射线衍射、红外光谱、扫描电镜、X射线光电子能谱及荧光光谱等表征样品的形貌、结构及发光性能。结果表明：Y2O3：Eu3＋表面成功包覆了Gd2O3,包覆后仍为均匀的球形,包覆层厚度约为5nm;包覆前后样品的猝灭浓度均为7%（摩尔分数）,包覆...
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| 关 键 词： | 氧化钇 氧化钆 核壳结构 发光 浓度猝灭 |
Preparation and Concentration Quenching of Y_2O_3:Eu~(3+)@Gd_2O_3 Core-shell Structural Luminescence Materials |
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| LIU Guixia,BAI Haiying,DONG Xiangting,WANG Jinxian. Preparation and Concentration Quenching of Y_2O_3:Eu~(3+)@Gd_2O_3 Core-shell Structural Luminescence Materials[J]. Journal of The Chinese Ceramic Society, 2011, 39(9): 1411-1417 |
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| Authors: | LIU Guixia BAI Haiying DONG Xiangting WANG Jinxian |
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| Affiliation: | LIU Guixia,BAI Haiying,DONG Xiangting,WANG Jinxian(School of Chemistry and Environmental Engineering,Changchun University of Science and Technology,Changchun 130022,China) |
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| Abstract: | Core-shell structural luminescence nanomaterials(Y2O3:Eu3+@Gd2O3) were prepared by homogeneous precipitation method.Samples were characterized by X-ray diffraction,Fourier transform infrared spectroscopy,scanning electron microscopy,X-ray photoelectron energy spectroscopy,and photoluminescence spectroscopy.Results show that Gd2O3 layer is successfully coated on surface of Y2O3:Eu3+.The coated samples are still uniform spheres,and thickness of the coated layer is about 5 nm.Quenching content in mole of the s... |
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| Keywords: | yttria gadolinia core-shell structrue luminescence concentration quenching |
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