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钬镱双掺氧化镧镥粉体的合成及其光谱分析
Fabrication and Spectral Analysis of Ho3+, Yb3+ Co-doped (LaLu)2O3 Powders
- 发光学报 2018年39卷第3期 页码：301-306
- 作者机构：
1. 中国科学院 长春光学精密机械与物理研究所,吉林 长春,130033
2. 长春理工大学 化学与环境工程学院,吉林 长春,130022
- 作者简介：
- 基金信息：吉林省科技发展计划（20170204028GX）资助项目()
DOI：10.3788/fgxb20183903.0301
中图分类号： O482.31纸质出版日期：2018-3-5，
网络出版日期：2017-11-7，
收稿日期：2017-8-15，
修回日期：2017-10-11，
扫 描 看 全 文
李剑, 代雨航, 朱忠丽等. 钬镱双掺氧化镧镥粉体的合成及其光谱分析[J]. 发光学报, 2018,39(3): 301-306
LI Jian, DAI Yu-hang, ZHU Zhong-li etc. Fabrication and Spectral Analysis of Ho<sup>3+</sup>, Yb<sup>3+</sup> Co-doped (LaLu)<sub>2</sub>O<sub>3</sub> Powders[J]. Chinese Journal of Luminescence, 2018,39(3): 301-306
李剑, 代雨航, 朱忠丽等. 钬镱双掺氧化镧镥粉体的合成及其光谱分析[J]. 发光学报, 2018,39(3): 301-306 DOI： 10.3788/fgxb20183903.0301.
LI Jian, DAI Yu-hang, ZHU Zhong-li etc. Fabrication and Spectral Analysis of Ho<sup>3+</sup>, Yb<sup>3+</sup> Co-doped (LaLu)<sub>2</sub>O<sub>3</sub> Powders[J]. Chinese Journal of Luminescence, 2018,39(3): 301-306 DOI： 10.3788/fgxb20183903.0301.
摘要
采用柠檬酸燃烧法制备了Ho，Yb∶（LaLu）
2
O
3
纳米粉体，确定了其制备的适宜条件。制得的粉体分散性较好，粒径均匀，平均粒径约为55 nm。研究了掺杂不同摩尔分数Ho
3+
和Yb
3+
对粉体荧光光谱的影响，980 nm泵浦源激发下得到的粉体的上转换光谱显示，粉体发出484 nm蓝光（
5
F
3
5
I
8
）、551 nm绿光（
5
S
2
/
5
F
4
5
I
8
）、660 nm红光（
5
F
5
5
I
8
）。并讨论了掺杂离子Ho
3+
-Yb
3+
的上转换发光机制。
Abstract
The powders of Ho
Yb:(LaLu)
2
O
3
were prepared by citric acid combustion method. The preparation conditions of the powders were determined. The as-prepared particles are of near-spherical shape
and weak agglomeration
the average particle size was about 55 nm. The effects of different mole fraction Ho
3+
and Yb
3+
on the fluorescence spectra of the powders were studied. Under the excitation of 980 nm
the powders can emit blue-ray appeared at 484 nm
corresponding to the energy level transition of Ho
3+
from
5
F
3
to
5
I
8
green light appeared at 551 nm
corresponding to the energy level transition of Ho
3+
from
5
S
2
/
5
F
4
to
5
I
8
and red light at 660 nm
corresponding to the energy level transition of Ho
3+
from
5
F
5
to
5
I
8
. The upconversion luminescence mechanism of Ho
3+
-Yb
3+
in co-doped system was discussed.
关键词
钬镱双掺氧化镧镥上转换光谱能级跃迁
Keywords
holmium ytterbium co-doped lanthanum lutetium oxideupcoversion spectrumenergy transfer
references
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