Synthesis, Characterization, and Photoluminescence of SrWO4：Eu3+ Nanocrystals

XU Bing-yu; WANG Guo-feng; LI Ying; LIU Shuai; FENG Li; ZHANG Ji-sen

doi:10.3788/fgxb20133409.1178

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Synthesis, Characterization, and Photoluminescence of SrWO₄：Eu³⁺ Nanocrystals

更新时间：2020-08-12

- Synthesis, Characterization, and Photoluminescence of SrWO₄：Eu³⁺ Nanocrystals
- Chinese Journal of Luminescence Vol. 34, Issue 9, Pages: 1178-1182(2013)
- 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. 黑龙江大学功能无机材料化学教育部重点实验室, 化学化工与材料学院,黑龙江哈尔滨,150080
- 作者简介：
- 基金信息：
- DOI：10.3788/fgxb20133409.1178
  CLC： O482.31
- Received：22 May 2013，
  
  Revised：05 July 2013，
  
  Published：10 September 2013
- 稿件说明：
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徐冰玉, 王国凤, 李莹, 刘帅, 冯莉, 张继森. SrWO4：Eu3+纳米晶的合成、表征和光致发光性能[J]. 发光学报, 2013,34(9): 1178-1182

XU Bing-yu, WANG Guo-feng, LI Ying, LIU Shuai, FENG Li, ZHANG Ji-sen. Synthesis, Characterization, and Photoluminescence of SrWO4：Eu3+ Nanocrystals[J]. Chinese Journal of Luminescence, 2013,34(9): 1178-1182
徐冰玉, 王国凤, 李莹, 刘帅, 冯莉, 张继森. SrWO4：Eu3+纳米晶的合成、表征和光致发光性能[J]. 发光学报, 2013,34(9): 1178-1182 DOI： 10.3788/fgxb20133409.1178.

XU Bing-yu, WANG Guo-feng, LI Ying, LIU Shuai, FENG Li, ZHANG Ji-sen. Synthesis, Characterization, and Photoluminescence of SrWO4：Eu3+ Nanocrystals[J]. Chinese Journal of Luminescence, 2013,34(9): 1178-1182 DOI： 10.3788/fgxb20133409.1178.

摘要

用CTAB辅助水热法合成了四方相的SrWO

:Eu

纳米晶体。通过X射线衍射仪和扫描电子显微镜等测试手段对样品进行了表征。SrWO

:Eu

纳米晶粒尺寸随着反应溶液中Eu

离子和CTAB含量的增加而减小。在393 nm光激发下

观察到

4)和

跃迁

并且

跃迁的发射最强

表明Eu

在SrWO

基质中占据了非对称中心的格位。发射峰的位置与激发波长无关。

Abstract

Tetragonal phase SrWO

and SrWO

:Eu

nanocrystals were synthesized by a CTAB-assisted hydrothermal method. The nanocrystals were characterized by X-ray diffraction (XRD)

scanning electron microscope (SEM). The crystalline size of SrWO

:Eu

decreases with the increasing of Eu

and CTAB content in the reaction solutions gradually. Under 393 nm excitation

the

4) and

transitions are observed

and the luminescence is dominated by

transition

indicating that Eu

occupies a site lacking inversion symmetry. The positions of emission peaks are independent of excitation wavelength. When the excitation is performed at 466 nm

the emission intensity is the strongest.

关键词

Keywords

references

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