Effect of Doping Ba2+ Ions on Luminescence Properties of Sr3Al2O6:Eu2+ Red Phosphor

ZHANG Li; QIU Ke-hui; LU Xue-guang; ZHAO Kun; SHANG Jin

doi:10.3788/fgxb20123311.1219

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Effect of Doping Ba²⁺ Ions on Luminescence Properties of Sr₃Al₂O₆:Eu²⁺ Red Phosphor

更新时间：2020-08-12

- Effect of Doping Ba²⁺ Ions on Luminescence Properties of Sr₃Al₂O₆:Eu²⁺ Red Phosphor
- Chinese Journal of Luminescence Vol. 33, Issue 11, Pages: 1219-1223(2012)
- 作者机构：
  
  1. 成都理工大学材料科学技术研究所,四川成都,610059
  2. 四川新力光源有限公司,四川成都,611731
- 作者简介：
- 基金信息：
- DOI：10.3788/fgxb20123311.1219
  CLC： O482.31
- Received：29 June 2012，
  
  Revised：03 September 2012，
  
  Published：10 November 2012
- 稿件说明：
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张莉, 邱克辉, 鲁雪光, 赵昆, 尚进. Ba2+掺杂对Sr3Al2O6:Eu2+红色荧光粉发光性能的影响[J]. 发光学报, 2012,(11): 1219-1223

ZHANG Li, QIU Ke-hui, LU Xue-guang, ZHAO Kun, SHANG Jin. Effect of Doping Ba2+ Ions on Luminescence Properties of Sr3Al2O6:Eu2+ Red Phosphor[J]. Chinese Journal of Luminescence, 2012,(11): 1219-1223
张莉, 邱克辉, 鲁雪光, 赵昆, 尚进. Ba2+掺杂对Sr3Al2O6:Eu2+红色荧光粉发光性能的影响[J]. 发光学报, 2012,(11): 1219-1223 DOI： 10.3788/fgxb20123311.1219.

ZHANG Li, QIU Ke-hui, LU Xue-guang, ZHAO Kun, SHANG Jin. Effect of Doping Ba2+ Ions on Luminescence Properties of Sr3Al2O6:Eu2+ Red Phosphor[J]. Chinese Journal of Luminescence, 2012,(11): 1219-1223 DOI： 10.3788/fgxb20123311.1219.

摘要

采用高温固相法合成了(Sr

x-y

)

红色荧光材料

通过XRD、荧光光谱和热稳定性测试分析

分别研究了Eu

、Ba

掺杂对样品的晶体结构、发光性能和热稳定性的影响。XRD测试结果表明

在1 200℃保温3 h条件下合成了具有立方晶体结构、空间群为

3的Sr

纯相样品

、Ba

的掺入并没有改变其基质晶格的结构类型。荧光光谱分析表明

的摩尔分数为4%时

(Sr

0.98-

0.02

)

样品的发射峰最强

的掺入使样品的发射峰发生红移而发射强度降低

且随Ba

浓度的增加红移越发明显。此外

的掺杂提高了Sr

:Eu

样品的热稳定性。

Abstract

Red-emitting phosphors (Sr

x-y

)

were synthesized by a solid-state reaction in a reducing atmosphere. X-ray diffraction and fluorescence spectrophotometer were used to investigate the effects of doping Eu

and Ba

ions on the crystal structure

luminescence properties and thermal stability of the samples. The XRD results indicate that the samples prepared at 1 200℃ for 3 h generate a single Sr

phase with cubic system and

3 space group. The crystal structure type of the host has not been changed by doping Eu

and Ba

ions. The emission spectra illustrate that the emission intensity of (Sr

0.98-

0.02

)

reaches the maximum when the mole fraction of Eu

is 4%. Furthermore

the emission peaks of (Sr

x-y

)

show a red shift and decrease of emission intensity compared with Sr

3(1-

)

under the excitation of 460 nm. Both of them have broad emission bands due to the 4f

→4f

transition of the Eu

ions. Finally

the thermal stability of Sr

:Eu

is enhanced by doping Ba

ions.

关键词

Keywords

references

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