Long-lasting Phosphorescence in Nb5+ and Sm3+ Codoped YTaO4

Hong-jie WANG; Meng HAN; Chong-yang ZHU; Su ZHANG; Ran PANG; Li-hong JIANG; Cheng-yu LI

doi:10.37188/CJL.20200221

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Long-lasting Phosphorescence in Nb⁵⁺ and Sm³⁺ Codoped YTaO₄

Cover Story | 更新时间：2021-01-12

- Long-lasting Phosphorescence in Nb⁵⁺ and Sm³⁺ Codoped YTaO₄
- Chinese Journal of Luminescence Vol. 42, Issue 1, Pages: 1-9(2021)
- 作者机构：
  
  1.吉林建筑大学材料学院, 吉林长春 130018
  2.中国科学院长春应用化学研究所稀土资源利用国家重点实验室, 吉林长春 130022
- 作者简介：
- 基金信息：
  
  National Key R&D Program of China;Youth Innovation Promotion Association, CAS
- DOI：10.37188/CJL.20200221
  CLC： O482.31;O616;O611.3
- Received：27 July 2020，
  
  Accepted：2020-9-4，
  
  Published：2021-01
- 稿件说明：
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Hong-jie WANG, Meng HAN, Chong-yang ZHU, et al. Long-lasting Phosphorescence in Nb⁵⁺ and Sm³⁺ Codoped YTaO₄[J]. Chinese journal of luminescence, 2021, 42(1): 1-9.
DOI：

Hong-jie WANG, Meng HAN, Chong-yang ZHU, et al. Long-lasting Phosphorescence in Nb⁵⁺ and Sm³⁺ Codoped YTaO₄[J]. Chinese journal of luminescence, 2021, 42(1): 1-9. DOI： 10.37188/CJL.20200221.

摘要

采用高温固相法合成了Nb

、Sm

共掺杂YTaO

长余辉发光材料，通过X射线粉末衍射（XRD）、稳态荧光光谱、漫反射光谱和热释光曲线等多种表征手段研究了材料的结构、荧光和长余辉发光特性。XRD结果表明，共掺杂Nb

和Sm

没有引起YTaO

晶体结构的改变。光谱分析表明，共掺Nb

不仅可大幅提高YTaO

中Sm

的长余辉发光强度，而且可实现长余辉发光颜色的调控。对Sm

和Nb

共掺杂调控长余辉发光特性的机理也进行了分析。

Abstract

The Y

0.98

0.02

TaO

long lasting phosphorescence(LLP) material was synthesized by high temperature solid state reaction

and the co-doping experiment of replacing Ta

with Nb

was also carried out. The results of X-ray powder diffraction spectra shown that the doped ions did not change the crystal structure of YTaO

. Through room temperature steady-state photoluminescence(PL) and long-lasting phosphorescence experiments

it is found that the addition of Nb

can greatly increase the intensity of long-lasting phosphorescence of Sm

in YTaO

and change the emission color of PL and LLP. In this paper

the properties and mechanism of PL and LLP of YTaO

:Sm

are studied

respectively.

关键词

Keywords

references

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Related Author

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Related Institution

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Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China

Department of Physics, College of Science, Yanbian University, Yanji

Department of Applied Chemistry, College of Science, South China Agricultural University

School of Physical Science and Technology, Lanzhou University

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