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
- Published：2021-01，
  
  Received：27 July 2020，
  
  Accepted：2020-9-4
- 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

过渡金属复合氧化物长余辉Nb5+Ta5+颜色可调

Keywords

transition metal composite oxidelong-lasting phosphorescenceNb5+Ta5+color tunable

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Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China

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