Effect of Doping Ions on Properties of The White-light Long-lasting Phosphor Y2O2S:Tb3+, Eu3+, M2+(M=Mg, Ca, Sr, Ba), Zr4+

HUANG Ping; YANG Fan; CUI Cai-e; WANG Lei; LEI Xing

doi:10.3788/fgxb20133403.0262

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Effect of Doping Ions on Properties of The White-light Long-lasting Phosphor Y₂O₂S:Tb³⁺, Eu³⁺, M²⁺(M=Mg, Ca, Sr, Ba), Zr⁴⁺

更新时间：2020-08-12

- Effect of Doping Ions on Properties of The White-light Long-lasting Phosphor Y₂O₂S:Tb³⁺, Eu³⁺, M²⁺(M=Mg, Ca, Sr, Ba), Zr⁴⁺
- Chinese Journal of Luminescence Vol. 34, Issue 3, Pages: 262-267(2013)
- 作者机构：
  
  1. 太原理工大学物理与光电工程学院,山西太原,030024
  2. 太原理工大学测量控制技术研究所, 山西太原 030024
- 作者简介：
- 基金信息：
- DOI：10.3788/fgxb20133403.0262
  CLC： O482.31
- Received：01 January 2013，
  
  Revised：11 January 2013，
  
  Published：10 March 2013
- 稿件说明：
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黄平, 杨帆, 崔彩娥, 王磊, 雷星. 掺杂离子对白色长余辉发光材料Y2O2S:Tb3+, Eu3+,M2+ (M=Mg, Ca, Sr, Ba),Zr4+性能的影响[J]. 发光学报, 2013,34(3): 262-267

HUANG Ping, YANG Fan, CUI Cai-e, WANG Lei, LEI Xing. Effect of Doping Ions on Properties of The White-light Long-lasting Phosphor Y2O2S:Tb3+, Eu3+, M2+(M=Mg, Ca, Sr, Ba), Zr4+[J]. Chinese Journal of Luminescence, 2013,34(3): 262-267
黄平, 杨帆, 崔彩娥, 王磊, 雷星. 掺杂离子对白色长余辉发光材料Y2O2S:Tb3+, Eu3+,M2+ (M=Mg, Ca, Sr, Ba),Zr4+性能的影响[J]. 发光学报, 2013,34(3): 262-267 DOI： 10.3788/fgxb20133403.0262.

HUANG Ping, YANG Fan, CUI Cai-e, WANG Lei, LEI Xing. Effect of Doping Ions on Properties of The White-light Long-lasting Phosphor Y2O2S:Tb3+, Eu3+, M2+(M=Mg, Ca, Sr, Ba), Zr4+[J]. Chinese Journal of Luminescence, 2013,34(3): 262-267 DOI： 10.3788/fgxb20133403.0262.

摘要

采用高温固相法制备了白色长余辉发光材料Y

S:Tb

(

=Mg

Ba)

利用X晶体衍射、发光光谱、余辉曲线和热释光曲线等对制备的材料进行表征。结果表明:掺杂离子没有改变样品晶体结构和发射峰的位置

但对其发光强度、余辉时间及陷阱深度有较大的影响。在263 nm紫外光的激发下

469 nm和626 nm的发射分别对应于Eu

的

、

跃迁

544 nm的发射对应于Tb

的

跃迁

主要通过它们的混合产生白光。掺杂不同二价离子样品的余辉性能按Mg

、Sr

、Ca

、Ba

的顺序递减

其中掺杂Mg

的样品

色度坐标为(0.29

0.32)

陷阱深度为1.17 eV

余辉时间长达320 s(1 mcd/m

)

表现出最佳的发光性能。

Abstract

S:Tb

(

=Mg

Ba)

white-light long-lasting phosphors were synthesized by the solid-state reaction method. The phosphors were characterized by X-ray diffraction

photoluminescence spectra

long-lasting phosphorescence and thermoluminescence curves. The results show that the doping ions do not change the crystal structure and the situation of emission peaks of phosphors

but influence the intensity

afterglow time and trap depth. Under 263 nm UV excitation

the emission peaks at 469 nm and 626 nm are assigned to the

and

transitions of Eu

respectively

and the peak at 544 nm is assigned to the

transition of Tb

. The white-light can be obtained by the appropriate mixing of them. The afterglow properties of the phosphors doped with different divalent ions decreases according to the order of Mg

. With Mg

the CIE chromaticity diagram was (0.29

0.32)

the trap depth was 1.17 eV and the decay time could last for over 320 s (1 mcd/m

). Therefore

the sample doped Mg

ion shows the optimal luminescent properties.

关键词

Keywords

references

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