Spectral Properties in Boron Doped Phosphors BaAl2Si2O8 ∶ Eu2+

WANG Fei; TIAN Yi-guang; ZHANG Qiao; ZHAO Wen-guang

doi:10.3788/fgxb20113207.0693

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Spectral Properties in Boron Doped Phosphors BaAl₂Si₂O₈ ∶ Eu²⁺

paper | 更新时间：2020-08-12

- Spectral Properties in Boron Doped Phosphors BaAl₂Si₂O₈ ∶ Eu²⁺
- Chinese Journal of Luminescence Vol. 32, Issue 7, Pages: 693-698(2011)
- 作者机构：
  
  温州大学化学与材料工程学院,浙江温州,325035
- 作者简介：
- 基金信息：
- DOI：10.3788/fgxb20113207.0693
  CLC： O482.31
- Received：08 March 2011，
  
  Revised：10 May 2011，
  
  Published Online：22 July 2011，
  
  Published：22 July 2011
- 稿件说明：
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王飞, 田一光, 张乔, 赵文光. 硼组分在 BaAl2Si2O8 ∶ Eu2+发光材料中的作用[J]. 发光学报, 2011,32(7): 693-698

WANG Fei, TIAN Yi-guang, ZHANG Qiao, ZHAO Wen-guang. Spectral Properties in Boron Doped Phosphors BaAl2Si2O8 ∶ Eu2+[J]. Chinese Journal of Luminescence, 2011,32(7): 693-698
王飞, 田一光, 张乔, 赵文光. 硼组分在 BaAl2Si2O8 ∶ Eu2+发光材料中的作用[J]. 发光学报, 2011,32(7): 693-698 DOI： 10.3788/fgxb20113207.0693.

WANG Fei, TIAN Yi-guang, ZHANG Qiao, ZHAO Wen-guang. Spectral Properties in Boron Doped Phosphors BaAl2Si2O8 ∶ Eu2+[J]. Chinese Journal of Luminescence, 2011,32(7): 693-698 DOI： 10.3788/fgxb20113207.0693.

摘要

采用高温固相法在弱还原气氛下制备Ba

0.955

∶ Eu

(

=0~0.5)系列荧光粉

研究B

置换Al

对晶体结构和光谱特性的影响。B

以类质同相替代BaAl

晶格中的Al

形成部分连续固溶体

随着B

置换量的增加

晶胞参数

和晶胞体积

呈线性递减

晶面夹角

呈线性递增。荧光激发光谱位于225~400 nm的宽带谱可拟合成4个峰

表观峰值位于337 nm

半峰全宽为96 nm。荧光发射光谱位于370~600 nm

可由423 nm和457 nm两峰拟合而成

表观峰值位于437 nm

两拟合峰峰位均随着B

置换量的增加呈线性蓝移。

Abstract

A series of phosphors Ba

0.955

∶ Eu

(

=0~0.5) were prepared by solid-state reaction in weak reductive atmosphere. The lattice positions and the luminescent mechanism of Eu

in the host were discussed. The effects of B

-substitution on the host lattices and spectral properties were also investigated. It was found that when B

entered BaAl

lattice and substituted for Al

complete solid solutions formed in the whole range of

=0~0.5. The lattice parameters (

) and unit cell volume of phosphors Ba

0.955

∶ Eu

(

=0~0.5) decreased linearly and lattice parameter

increased linearly as boron content increased. A broad excitation spectrum consists of four excitation bands

which locate between 225 nm and 400 nm

its peak wavelength is at 337 nm

and basically does not change with the content of B

. The full width at half maximum is 93 nm. The emission spectrum is also a broad band between 370 nm and 600 nm and its apparent peak is at 437 nm

which can be fitted by two peaks at 423 nm and 457 nm.Two fitted peaks are blue shifted with the increasing of the content of B

-substitution.

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Keywords

references

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