Luminescent Characteristics of LiM(M=Ca, Sr, Ba)BO3 : Dy3+ Phosphor

LI Pan-lai; YANG Zhi-ping; WANG Ying; WANG Zhi-jun; GUO Qing-lin; LI Xu

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Luminescent Characteristics of LiM(M=Ca, Sr, Ba)BO₃ : Dy³⁺ Phosphor

paper | 更新时间：2020-08-12

- Luminescent Characteristics of LiM(M=Ca, Sr, Ba)BO₃ : Dy³⁺ Phosphor
- Chinese Journal of Luminescence Vol. 30, Issue 5, Pages: 606-609(2009)
- 作者机构：
  
  1. College of Physics Science
  2. Technology, Hebei University
- 作者简介：
- 基金信息：
- DOI：
  CLC： O482.31
- Received：24 October 2008，
  
  Revised：02 January 1900，
  
  Published Online：30 October 2009，
  
  Published：30 October 2009
- 稿件说明：
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LI Pan-lai, YANG Zhi-ping, WANG Ying, et al. Luminescent Characteristics of LiM(M=Ca, Sr, Ba)BO₃ : Dy³⁺ Phosphor[J]. Chinese journal of luminescence, 2009, 30(5): 606-609.
DOI：

LI Pan-lai, YANG Zhi-ping, WANG Ying, et al. Luminescent Characteristics of LiM(M=Ca, Sr, Ba)BO₃ : Dy³⁺ Phosphor[J]. Chinese journal of luminescence, 2009, 30(5): 606-609. DOI：

摘要

采用固相法制备了Li

M(M

=Ca

Ba)BO

: Dy

材料

并研究了材料的发光特性。Li

M(M

=Ca

Ba)BO

: Dy

材料的发射光谱均呈多峰发射

对应于Ca

其主发射峰分别是Dy

的

9/2

→

15/2

(484

486

486 nm)

13/2

(577

578

578 nm)和

11/2

(668

668

666 nm)跃迁。监测黄色发射峰时

所得激发光谱峰值位置相同

主激发峰分别为331

368

397

433

462

478 nm

对应Dy

的

15/2

→

7/2

21/2

11/2

15/2

和

9/2

跃迁。研究了敏化剂Ce

及电荷补偿剂Li

、Na

和K

对Li

M(M

=Ca

Ba)BO

: Dy

材料发光强度的影响。结果显示:加入敏化剂Ce

提高了材料的发光强度

发光强度最大处对应的Ce

浓度为3%;加入电荷补偿剂Li

、Na

和K

后

材料的发光强度也得到了明显提高

但发光强度最大处对应的Li

、Na

和K

浓度不同

依次为4%、4%和3%。

Abstract

M(M

=Ca

Ba)BO

: Dy

phosphors were synthesized by solid state reaction

and their luminescet characteristics were investigated. The emission spectra of Li

M(M

=Ca

Ba)BO

: Dy

phosphors show several bands

and the main emission peaks corresponding to Ca

Sr and Ba ion are the

9/2

→

15/2

(484

486 and 486 nm)

13/2

(577

578 and 578 nm) and

11/2

(668

668 and 666 nm) typical transitions of Dy

. The excitation spectra for the yellow emission have the same excitation peaks located at 331

368

397

433

462 and 478 nm

corresponding to the

15/2

→

7/2

21/2

11/2

15/2

and

9/2

transitions of Dy

. The effects of doping Ce

or Li

on the luminescence intensities of Li

M(M

=Ca

Ba)BO

: Dy

phosphors were studied

and the results showed that the intensities of Li

M(M

=Ca

Ba)BO

: Dy

phosphors are obviously effected. The intensities increase with increasing Ce

concentration and reache the maximum value at 3%. Under the condition of doping Li

and K

the intensities are enhanced

however

the charge compensation concentration corresponding to the maximum emission intensity is different with different charge compensation ions

and the optimal concentrations are 4%

4% and 3% corresponding to Li

and K

respectively.

关键词

Keywords

references

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