| Dy3+，Eu3+共掺的LiGd(MoO4)2单一相荧光粉的合成、发光及能量传递 |
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| 引用本文： | 于汀,高明燕,宋岩,李丹,刘桂霞,董相廷,王进贤.Dy3+，Eu3+共掺的LiGd(MoO4)2单一相荧光粉的合成、发光及能量传递[J].无机化学学报,2018,34(5):857-863. |
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| 作者姓名： | 于汀 高明燕 宋岩 李丹 刘桂霞 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应用化学与纳米技术吉林省高校重点实验室 |
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| 基金项目： | 吉林省自然科学基金（No.20170101185JC）资助项目。 |
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| 摘 要： | 采用溶胶-凝胶法制备了LiGd(MoO_4)_2∶Dy~(3+),Eu~(3+)系列荧光粉。用X射线衍射仪(XRD)、场发射扫描电镜(FESEM)、荧光光谱仪等对所得样品的结构、形貌和发光性能进行了表征,并研究了其能量传递机理。结果表明:白钨矿结构的Li Gd(Mo O_4)_2∶Dy~(3+),Eu~(3+)荧光粉的形貌为不规则颗粒,其粒径为1.8μm。在354 nm近紫外光激发下,该荧光粉显示出Dy~(3+)的特征黄、蓝光发射和Eu~(3+)的特征红光发射。计算Dy~(3+)和Eu~(3+)的临界距离为1.383 nm,Dy~(3+)→Eu~(3+)之间能量传递机理为偶极-四极相互作用。通过调节Dy~(3+)、Eu~(3+)的掺杂浓度,荧光粉可实现暖白光发射。此外,详细研究了稀土离子(Dy~(3+),Eu~(3+))的掺杂浓度与荧光粉的色温值之间的关系。
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| 关 键 词： | 溶胶-凝胶法 荧光粉 暖白光发射 能量传递 |
| 收稿时间： | 2017/12/28 0:00:00 |
| 修稿时间： | 2018/2/10 0:00:00 |
Synthesis, Luminescence and Energy Transfer of Dy3+ and Eu3+ Co-doped LiGd(MoO4)2 Single-Phase Phosphors |
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| YU Ting,GAO Ming-Yan,SONG Yan,LI Dan,LIU Gui-Xi,DONG Xiang-Ting and WANG Jin-Xian.Synthesis, Luminescence and Energy Transfer of Dy3+ and Eu3+ Co-doped LiGd(MoO4)2 Single-Phase Phosphors[J].Chinese Journal of Inorganic Chemistry,2018,34(5):857-863. |
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| Authors: | YU Ting GAO Ming-Yan SONG Yan LI Dan LIU Gui-Xi DONG Xiang-Ting and WANG Jin-Xian |
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| Institution: | School of Chemistry and Environmental Engineering, Changchun University of Science and Technology, Key Laboratory of Applied Chemistry and Nanotechnology at Universities of Jilin Province, Changchun 130022, China,School of Chemistry and Environmental Engineering, Changchun University of Science and Technology, Key Laboratory of Applied Chemistry and Nanotechnology at Universities of Jilin Province, Changchun 130022, China,School of Chemistry and Environmental Engineering, Changchun University of Science and Technology, Key Laboratory of Applied Chemistry and Nanotechnology at Universities of Jilin Province, Changchun 130022, China,School of Chemistry and Environmental Engineering, Changchun University of Science and Technology, Key Laboratory of Applied Chemistry and Nanotechnology at Universities of Jilin Province, Changchun 130022, China,School of Chemistry and Environmental Engineering, Changchun University of Science and Technology, Key Laboratory of Applied Chemistry and Nanotechnology at Universities of Jilin Province, Changchun 130022, China,School of Chemistry and Environmental Engineering, Changchun University of Science and Technology, Key Laboratory of Applied Chemistry and Nanotechnology at Universities of Jilin Province, Changchun 130022, China and School of Chemistry and Environmental Engineering, Changchun University of Science and Technology, Key Laboratory of Applied Chemistry and Nanotechnology at Universities of Jilin Province, Changchun 130022, China |
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| Abstract: | |
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| Keywords: | sol-gel method phosphor warm-white-light emitting energy transfer |
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