Temperature Impact on Luminescence Performances of Long-lasting Afterglow Glass

LU Hao; LIU Ai-mei; XIONG Ping-fan; YI Xi-nong; ZHANG Xi-yan

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Temperature Impact on Luminescence Performances of Long-lasting Afterglow Glass

paper | 更新时间：2020-08-12

- Temperature Impact on Luminescence Performances of Long-lasting Afterglow Glass
- Chinese Journal of Luminescence Vol. 30, Issue 4, Pages: 554-558(2009)
- 作者机构：
  
  1. 孝感学院物理系,湖北孝感,432000
  2. 长春理工大学材料系,吉林长春,130022
- 作者简介：
- 基金信息：
- DOI：
  CLC： O482.31
- Received：14 April 2008，
  
  Revised：1900-1-2，
  
  Published Online：30 August 2009，
  
  Published：30 August 2009
- 稿件说明：
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LU Hao, LIU Ai-mei, XIONG Ping-fan, et al. Temperature Impact on Luminescence Performances of Long-lasting Afterglow Glass[J]. Chinese Journal of Luminescence, 2009, 30(4): 554-558.
DOI：

LU Hao, LIU Ai-mei, XIONG Ping-fan, et al. Temperature Impact on Luminescence Performances of Long-lasting Afterglow Glass[J]. Chinese Journal of Luminescence, 2009, 30(4): 554-558. DOI：

摘要

在还原气氛下

制备了稀土Eu

掺杂的铝硅酸盐长余辉发光玻璃。分析了不同温度对SrAl

: Eu

Dy发光玻璃的余辉发光的影响

比较了SrAl

: Eu和SrAl

: Eu

Dy发光玻璃的余辉发光的时间积分强度。结果表明:SrAl

: Eu

Dy长余辉发光玻璃的发射光谱存在455

515 nm两个发射峰值

并且其余辉衰减正比于

-0.8

。SrAl

: Eu

Dy长余辉发光玻璃余辉发光时间积分强度在150 K附近开始增加

并在275 K达到最大;Dy

离子是造成空穴陷阱的主要原因。

Abstract

A series of luminosilicate glass samples doped with Eu

and Dy

were prepared under reducing atmosphere. The impacts of temperatures on luminescence performances of long-lasting afterglow glass were analyzed. The time-integrated intensities of afterglow in SrAl

: Eu and SrAl

: Eu

Dy long-lasting afterglow glasses were compared. Results showed the emission spectra have two broad bands peaked at 455 and 515 nm and the afterglow decay is in proportion to

-0.8

. The time-integrated intensity of afterglow increases at around the temperature of 150 K

and reaches the maximum at around 275 K. The hole traps originate from Dy

ions.

关键词

Keywords

references

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