GdF3:Ce3+,Dy3+@GdF3:Eu3+核壳结构荧光粉溶剂热法制备及其多色发光性能研究

桂卫军; 刘三秋

doi:10.3788/fgxb20163710.1182

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GdF₃:Ce³⁺,Dy³⁺@GdF₃:Eu³⁺核壳结构荧光粉溶剂热法制备及其多色发光性能研究

材料合成及性能 | 更新时间：2020-08-12

- GdF₃:Ce³⁺,Dy³⁺@GdF₃:Eu³⁺核壳结构荧光粉溶剂热法制备及其多色发光性能研究
- Synthesize and Multicolor Luminous Performance of GdF₃: Ce³⁺, Dy³⁺ @GdF₃: Eu³⁺ Core-shell Structure Phosphors by Solvothermal Method
- 发光学报 2016年37卷第10期页码：1182-1188
- 作者机构：
  
  1. 南昌大学材料科学与工程学院,江西南昌,330031
  2. 南昌工程学院理学院,江西南昌,330099
- 作者简介：
  
  [ "桂卫军(1972-),男,湖北黄梅人,博士研究生,副教授,2004年于中国科学技术大学获得硕士学位,主要从事稀土纳米发光材料的研究。E-mail:gwj@mail.ustc.edu.cn" ]
  [ "刘三秋(1961-),女,福建泉州人,教授,博士生导师,2001年于中国科学院紫金山天文台获得博士学位,主要从事光与物质相互作用的研究。E-mail:sqlgroup@ncu.edu.cn" ]
- 基金信息：
  
  国家（级）国际科技合作项目（2015DFA61800）();江西省教育厅科学技术研究项目（GJJ151136）资助()
- DOI：10.3788/fgxb20163710.1182
  中图分类号： O482.31
- 纸质出版日期：2016-10-5，
  
  收稿日期：2016-5-9，
  
  修回日期：2016-7-9，
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桂卫军, 刘三秋,. GdF3:Ce3+,Dy3+@GdF3:Eu3+核壳结构荧光粉溶剂热法制备及其多色发光性能研究[J]. 发光学报, 2016,37(10): 1182-1188

GUI Wei-jun, LIU San-qiu,. Synthesize and Multicolor Luminous Performance of GdF3: Ce3+, Dy3+ @GdF3: Eu3+ Core-shell Structure Phosphors by Solvothermal Method[J]. Chinese Journal of Luminescence, 2016,37(10): 1182-1188
桂卫军, 刘三秋,. GdF3:Ce3+,Dy3+@GdF3:Eu3+核壳结构荧光粉溶剂热法制备及其多色发光性能研究[J]. 发光学报, 2016,37(10): 1182-1188 DOI： 10.3788/fgxb20163710.1182.

GUI Wei-jun, LIU San-qiu,. Synthesize and Multicolor Luminous Performance of GdF3: Ce3+, Dy3+ @GdF3: Eu3+ Core-shell Structure Phosphors by Solvothermal Method[J]. Chinese Journal of Luminescence, 2016,37(10): 1182-1188 DOI： 10.3788/fgxb20163710.1182.

摘要

采用溶剂热法合成了核壳结构纳米荧光粉GdF

：Ce

，Dy

@GdF

：Eu

。XRD衍射图样显示所制备纳米晶为正交相；在Ce

的

7/2

激发峰激发下，该核壳结构具有明显的多色发光性能，而在相应的非核壳结构中却由于Ce

共掺导致Eu

出现荧光猝灭现象。基于CIE坐标，可以看出该体系的核壳结构具有比非核壳结构优越的发光性能，这主要是因为Gd

起到媒介离子的作用。最后，讨论了壳厚度对发光的影响，结果发现当核壳的量比为1：3时，荧光粉具有最大的发光强度。

Abstract

The core-shell structure nanophosphors GdF

:Ce

@GdF

:Eu

were synthesized

via

solvothermal method. XRD patterns show that the synthesized nanocrystallines(NCs) are orthorhombic phase both for the core and shell. Under the excitation of

7/2

of Ce

the core-shell structure nanophosphors exhibit well multicolor luminous performance

while for corresponding none core-shell structure nanophosphors

emission of Eu

denotes obvious fluorescence quenching phenomenon due to co-doping Ce

. Based on the CIE(

) coordinate diagram

it can be seen that the core-shell structure nanophosphors own more excellent luminescent properties than that of the none core-shell structure nanophosphors due to the influence of Gd

. Lastly

the influence of thickness of shell on lighting of the phosphors was discussed. It is found that the core-shell structure phosphors own the best emission intensity on condition that ratio of the core and shell is 1:3.

关键词

GdF3纳米晶核壳结构多色发光能量传递

Keywords

GdF3 NCscore-shell structuremulticolor luminescenceenergy transfer

references

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