| 低温凝胶燃烧法合成Y2O3∶Er3+，Yb3+纳米晶上转换发光材料 |
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| 引用本文： | 王能利,王 坤,杨 柳,玄洪栋,张希艳.低温凝胶燃烧法合成Y2O3∶Er3+，Yb3+纳米晶上转换发光材料[J].无机化学学报,2011,27(4):619-624. |
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| 作者姓名： | 王能利 王 坤 杨 柳 玄洪栋 张希艳 |
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| 作者单位： | 长春理工大学光电功能材料教育部工程研究中心,长春,130022 |
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| 基金项目： | 国家大学生创新性实验计划项目，吉林省科技发展计划项目 |
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| 摘 要： | 分别以柠檬酸和甘氨酸为燃烧剂，采用低温凝胶燃烧法合成了Er3+、Yb3+共掺Y2O3纳米晶粉体。通过TG-DSC、XRD、SEM等分析手段对两种燃烧剂所对应的反应过程及纳米晶粉体的物理性能进行了分析，结果表明甘氨酸法具有更高的反应效率、更好的粉体分散性及粒径均匀性。在980 nm激光二极管(LD)激发下，对甘氨酸法所得样品的上转换发光性能分析表明，绿光和红光发射谱带分别来自于Er3+的4S3/2/ 2H11/2→ 4I15/2和4F9/2→ 4I15/2跃迁。此外，对Er3+和Yb3+掺杂浓度、粉体煅烧温度对纳米晶样品上转换发光性能的影响进行了讨论。
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| 关 键 词： | 凝胶燃烧法 Y2O3∶Er3+，Yb3+ 纳米晶 上转换 |
Synthesis of Y2O3:Er3+,Yb3+ Nanocrystalline Up-Conversion Luminescent Materials by Low Temperature Gel-Combustion Method |
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| WANG Neng-Li,WANG Kun,YANG Liu,XUAN Hong-Dong and ZHANG Xi-Yan.Synthesis of Y2O3:Er3+,Yb3+ Nanocrystalline Up-Conversion Luminescent Materials by Low Temperature Gel-Combustion Method[J].Chinese Journal of Inorganic Chemistry,2011,27(4):619-624. |
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| Authors: | WANG Neng-Li WANG Kun YANG Liu XUAN Hong-Dong and ZHANG Xi-Yan |
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| Institution: | Ministry of Education Engineering Research Center of Optoelectronic Functional Materials, Changchun University of Science and Technology, Changchun 130022, China,Ministry of Education Engineering Research Center of Optoelectronic Functional Materials, Changchun University of Science and Technology, Changchun 130022, China,Ministry of Education Engineering Research Center of Optoelectronic Functional Materials, Changchun University of Science and Technology, Changchun 130022, China,Ministry of Education Engineering Research Center of Optoelectronic Functional Materials, Changchun University of Science and Technology, Changchun 130022, China and Ministry of Education Engineering Research Center of Optoelectronic Functional Materials, Changchun University of Science and Technology, Changchun 130022, China |
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| Abstract: | Er3+ and Yb3+ co-doped yttria nanocrystalline powders were synthesized by low-temperature gel-combustion method using citric acid and glycine as fuels,respectively.The reaction process and physical properties of nanocrystalline powders synthesized were studied by TG-DSC,XRD and SEM techniques,and the results indicate that glycine method possesses higher reaction efficiency,better powder dispersibility,and a narrower particle size distribution compared with that of citric acid samples.The up-conversion prope... |
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