Synthesis and Characterization of New Long Lasting Red Phosphors Y2O2S : Eu,Si,M(M=Mg,Ca,Sr,Ba)

ZHOU Xin-mu; ZENG Hui-hui

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Synthesis and Characterization of New Long Lasting Red Phosphors Y₂O₂S : Eu,Si,M(M=Mg,Ca,Sr,Ba)

paper | 更新时间：2020-08-12

- Synthesis and Characterization of New Long Lasting Red Phosphors Y₂O₂S : Eu,Si,M(M=Mg,Ca,Sr,Ba)
- Chinese Journal of Luminescence Vol. 31, Issue 1, Pages: 59-63(2010)
- 作者机构：
- 作者简介：
- 基金信息：
- DOI：
  CLC： O482.31
- Received：01 April 2009，
  
  Revised：02 January 1900，
  
  Published Online：20 February 2010，
  
  Published：20 February 2010
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周新木;曾慧慧. 红色长余辉材料Y2O2S : Eu,Si,M 的制备及发光性能[J]. 发光学报, 2010,31(1): 59-63

ZHOU Xin-mu;ZENG Hui-hui. Synthesis and Characterization of New Long Lasting Red Phosphors Y2O2S : Eu,Si,M(M=Mg,Ca,Sr,Ba)[J]. 发光学报, 2010,31(1): 59-63
周新木;曾慧慧. 红色长余辉材料Y2O2S : Eu,Si,M 的制备及发光性能[J]. 发光学报, 2010,31(1): 59-63 DOI：

ZHOU Xin-mu;ZENG Hui-hui. Synthesis and Characterization of New Long Lasting Red Phosphors Y2O2S : Eu,Si,M(M=Mg,Ca,Sr,Ba)[J]. 发光学报, 2010,31(1): 59-63 DOI：

摘要

采用高温固相法合成了红色长余辉材料Y

S : Eu

M(M

=Mg

Ba)

利用X晶体衍射、发光光谱、热释光测量等对材料的性能进行了表征。结果分析表明:Y

S : Eu

M(M

=Mg

Ba)长余辉材料的最大荧光发射和余辉发射峰完全一致都位于627 nm

产生红光发射

是典型的Eu

离子的

跃迁。激发停止后

能够产生较好的余辉性能。碱土金属离子能够增强其荧光发射峰强度并对余辉性能有一定促进作用

其中以Mg

最好

其次是Ba

。

Abstract

S : Eu

M(M

=Mg

Ba) long lasting red luminescence phosphors were synthesized by solid state reaction and analyzed by means of XRD

photoluminescence (PL)

thermo luminescence

etc.

The results indicate that the strongest emission of both emission spectrum and afterglow spectrum peaks at around 627.0 nm

which is assigned to electric dipole

transition of Eu

which behaves excellent afterglow property. The doping of alkaline earth ions improves the PL intensity and the afterglow property of the Y

S : Eu

M(M

=Mg

Ba) phosphors. Of all

the Mg-doped sample shows the best property

the next one is the Ba-doped material.

关键词

Keywords

references

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