紫外应力发光材料SrMgSi2O6：Ce的制备与光谱性质研究

付晓燕; 房立均; 付海霞; 张洪武

doi:10.3788/fgxb20133408.1006

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紫外应力发光材料SrMgSi₂O₆：Ce的制备与光谱性质研究

材料合成及性能 | 更新时间：2020-08-12

- 紫外应力发光材料SrMgSi₂O₆：Ce的制备与光谱性质研究
- Ultraviolet Mechanoluminescence from SrMgSi₂O₆：Ce
- 发光学报 2013年34卷第8期页码：1006-1010
- 作者机构：
  
  1. 厦门理工学院材料科学与工程学院,福建厦门,361024
  2. 中国科学院城市环境研究所,福建厦门,361021
- 作者简介：
- 基金信息：
  
  国家自然科学基金(51102201)();厦门市科技局杰出青年基金();厦门理工学院高层次人才引进启动项目();中国科学院BR计划资助项目()
- DOI：10.3788/fgxb20133408.1006
  中图分类号： O482.31
- 收稿日期：2013-05-15，
  
  修回日期：2013-06-19，
  
  纸质出版日期：2013-08-10
- 稿件说明：
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付晓燕, 房立均, 付海霞, 张洪武. 紫外应力发光材料SrMgSi2O6：Ce的制备与光谱性质研究[J]. 发光学报, 2013,34(8): 1006-1010

FU Xiao-yan, FANG Li-jun, FU Hai-xia, ZHANG Hong-wu. Ultraviolet Mechanoluminescence from SrMgSi2O6：Ce[J]. Chinese Journal of Luminescence, 2013,34(8): 1006-1010
付晓燕, 房立均, 付海霞, 张洪武. 紫外应力发光材料SrMgSi2O6：Ce的制备与光谱性质研究[J]. 发光学报, 2013,34(8): 1006-1010 DOI： 10.3788/fgxb20133408.1006.

FU Xiao-yan, FANG Li-jun, FU Hai-xia, ZHANG Hong-wu. Ultraviolet Mechanoluminescence from SrMgSi2O6：Ce[J]. Chinese Journal of Luminescence, 2013,34(8): 1006-1010 DOI： 10.3788/fgxb20133408.1006.

摘要

采用固相烧结法制备了3种紫外应力发光材料SrMgSi

：Ce

0.005

、SrMgSi

：Ce

0.005

0.015

和Sr

MgSi

：Ce

0.005

0.015

。XRD测试结果表明：SrMgSi

与Sr

MgSi

具有相同的结构

掺杂离子的加入没有改变相结构。3种样品的荧光发射光谱很类似

均在330~400 nm紫外波段有较宽的发射谱带。应力发光曲线的测试结果表明

样品的应力发光强度与物体受力变化呈良好的对应关系

证明所制备的样品可以用来检测物体的受力情况。同时

研究了共掺杂离子以及改变基质结构对应力发光强度的影响

结果表明发光体中陷阱数目的增加以及基质对称性的降低有利于应力发光的产生。由于所开发的样品波长在紫外区

因而可以作为光源来激发其他颜色的光致发光材料从而实现多颜色应力发光材料的开发。

Abstract

UV mechanoluminescent (ML) phosphors SrMgSi

：Ce

0.005

SrMgSi

：Ce

0.005

0.015

and Sr

MgSi

：Ce

0.005

0.015

were prepared

via

solid state reaction. The XRD results indicate that the structure of SrMgSi

is identical to that of Sr

MgSi

which has a tetragonal symmetry with a space group

421

.The emission bands of three samples are similar

which consist of a broad band with two peaks centered at 349 and 371 nm

caused by the f-d electron transition of Ce

ions. The ML results show that the ML intensities of these samples are well depended on the stress

indicating that these ML materials can be potentially used as sensors to detect the stress distribution of an object. Furthermore

the ML intensity of SrMgSi

：Ce

0.005

0.015

is obviously higher than those of SrMgSi

：Ce

0.005

and Sr

MgSi

：Ce

0.005

0.015

. The obtained results suggest that the trap and the worse symmetry of crystal structure are responsible for the higher ML intensity of SrMgSi

：Ce

0.005

0.015

. Because of the UV emission of this material

it can be used as the excitation source to irradiate other color phosphors and then the various colors ML can be realized.

关键词

Keywords

references

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