稀土掺杂纳米晶体荧光发射性质的调控

郑海荣; 高当丽; 高伟; 李娇; 何恩节; 涂银勋

doi:10.3788/fgxb20123302.0115

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稀土掺杂纳米晶体荧光发射性质的调控

特邀报告 | 更新时间：2020-08-12

- 稀土掺杂纳米晶体荧光发射性质的调控
- Controlling The Fluorescence Emission of Rare Earth Doped Nanocrystals
- 发光学报 2012年33卷第2期页码：115-121
- 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：
  
  国家自然科学基金(11174190)();中央高校基本科研业务费专项资金(GK20091022)资助项目()
- DOI：10.3788/fgxb20123302.0115
  中图分类号： O432.1;O433.4
- 收稿日期：2011-11-14，
  
  修回日期：2011-12-06，
  
  网络出版日期：2012-02-10，
  
  纸质出版日期：2012-02-10
- 稿件说明：
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郑海荣, 高当丽, 高伟, 李娇, 何恩节, 涂银勋. 稀土掺杂纳米晶体荧光发射性质的调控[J]. 发光学报, 2012,33(2): 115-121

ZHENG Hai-rong, GAO Dang-li, GAO Wei, LI Jiao, HE En-jie, TU Yin-xun. Controlling The Fluorescence Emission of Rare Earth Doped Nanocrystals[J]. Chinese Journal of Luminescence, 2012,33(2): 115-121
郑海荣, 高当丽, 高伟, 李娇, 何恩节, 涂银勋. 稀土掺杂纳米晶体荧光发射性质的调控[J]. 发光学报, 2012,33(2): 115-121 DOI： 10.3788/fgxb20123302.0115.

ZHENG Hai-rong, GAO Dang-li, GAO Wei, LI Jiao, HE En-jie, TU Yin-xun. Controlling The Fluorescence Emission of Rare Earth Doped Nanocrystals[J]. Chinese Journal of Luminescence, 2012,33(2): 115-121 DOI： 10.3788/fgxb20123302.0115.

摘要

稀土掺杂纳米体系的荧光发射过程主要取决于稀土离子的性质和基质结构。对于给定体系

可控荧光性能的构筑包括改变纳米颗粒自身性质和外部条件两个方面。改变颗粒自身性质的途径主要包括调节纳米晶体的成分、结构、掺杂元素的性质、浓度及颗粒的大小、形貌、表面修饰以及通过纳米金属结构实现的金属增强等。外部环境的改变则主要包括颗粒的环境温度和泵浦方式等。本文阐述了影响荧光发射的主要因素和调控荧光性质的主要途径

并着重对晶体结构变化和稀土共掺杂所引起的局域对称性和相互作用变化进行讨论。

Abstract

The fluorescence emission of rare earth doped nanocrystal depends on the optical active ion and its matrix structure. For a given system

it can be adjusted either by changing the characteristics of the particle or by improving the environmental conditions around the particle. The characteristics of the particle can be modified by adjusting the content and structure of the matrix crystal

codopant ion and its concentration

morphology and size of the particle

surface modification as well as the introduction of enhancement through metallic surfaces. The environmental change could refer to the environmental temperature and the excitation of the system. In current paper

possible factors that influence the fluorescence emission as well as frequently used techniques for controlling the fluorescence properties are reviewed briefly. Changes in local symmetry and interactions of optically active ion with neighbored ions

which are mainly induced by adjusting the crystal structure and codoping process

are discussed intensively.

关键词

Keywords

references

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