单掺杂和共掺杂氟化物纳米晶体的发光特性

雷 瑜; 田 宇; 高当丽; 何恩节; 张喜生; 朱刚强; 郑海荣

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单掺杂和共掺杂氟化物纳米晶体的发光特性

论文 | 更新时间：2020-08-12

- 单掺杂和共掺杂氟化物纳米晶体的发光特性
- Luminescence Property of Single Doped and Co-doped Fluoride Nanocrystals
- 发光学报 2010年31卷第4期页码：549-555
- 作者机构：
  
  陕西师范大学物理学与信息技术学院,陕西西安,710062
- 作者简介：
- 基金信息：
  
  陕西省自然科学基金(SJ08-ZT13)资助项目()
- DOI：
  中图分类号： O482.31
- 纸质出版日期：2010-8-27，
  
  网络出版日期：2010-8-27，
  
  收稿日期：2009-8-4，
  
  修回日期：2010-6-7，
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雷瑜, 田宇, 高当丽, 何恩节, 张喜生, 朱刚强, 郑海荣. 单掺杂和共掺杂氟化物纳米晶体的发光特性[J]. 发光学报, 2010,31(4): 549-555

LEI Yu, TIAN Yu, GAO Dang-li, HE En-jie, ZHANG Xi-sheng, ZHU Gang-qiang, ZHENG Hai-rong. Luminescence Property of Single Doped and Co-doped Fluoride Nanocrystals[J]. 发光学报, 2010,31(4): 549-555
雷瑜, 田宇, 高当丽, 何恩节, 张喜生, 朱刚强, 郑海荣. 单掺杂和共掺杂氟化物纳米晶体的发光特性[J]. 发光学报, 2010,31(4): 549-555 DOI：

LEI Yu, TIAN Yu, GAO Dang-li, HE En-jie, ZHANG Xi-sheng, ZHU Gang-qiang, ZHENG Hai-rong. Luminescence Property of Single Doped and Co-doped Fluoride Nanocrystals[J]. 发光学报, 2010,31(4): 549-555 DOI：

摘要

基质结构的变化为掺杂稀土发光离子提供了不同的局域环境

从而为改变和影响掺杂离子的光发射性质提供了条件。本文采用激光光谱学的方法从实验上研究了基质变化对氟化物纳米晶体中的掺杂稀土Eu

和Pr

的光发射性质的影响规律

以及同一基质中单掺杂和共掺杂稀土离子的光发射特性。结果发现:可通过变换基质和离子共掺杂来实现荧光谱线强度和色纯度的改进。依据掺杂离子的能级结构以及纳米晶体基质的对称性变化等因素

对所观测到的实验现象进行了分析讨论。

Abstract

The change of matrix structure can provide different local environment for doped rare earth ions

which offers us an effective way to adjust the luminescence property of active ions. In current paper

the influence of the matrix structure on the luminescence properties of Pr

and Eu

doped fluoride nanoaprticles has been investigated with laser spectroscopic method. The characters of fluorescence emission from single doped and co-doped nanoparticles have been studied too. It was found that the intensity and the color purity of the fluorescence emission were improved greatly by co-doping another kind of ion to the doped nanoparticles as well as by changing the matrix of the nanoaprticles. The experimental observations were discussed based on the energy level structure of doped ions and the symmetry characteristics of nanocrystals.

关键词

氟化物纳米晶体稀土离子光致发光能级跃迁

Keywords

fluoride nanoaprticlesrare earth ionsfluorescence radiationenergy level transition

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