Luminescent Properties of Eu3+-doped 2ZnO&middot;2.2B2O3&middot;3H2O

LE Tian; ZENG Qing-guang; ZHANG Mei; HUANG Tian; YAN Qiang-wang; WANG Yi

doi:10.3788/fgxb20113207.0709

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Luminescent Properties of Eu³⁺-doped 2ZnO·2.2B₂O₃·3H₂O

paper | 更新时间：2020-08-12

- Luminescent Properties of Eu³⁺-doped 2ZnO·2.2B₂O₃·3H₂O
- Chinese Journal of Luminescence Vol. 32, Issue 7, Pages: 709-714(2011)
- 作者机构：
  
  1. 五邑大学应用物理与材料学院,广东江门,529020
  2. 五邑大学化学与环境工程学院,广东江门,529020
- 作者简介：
- 基金信息：
- DOI：10.3788/fgxb20113207.0709
  CLC： O482.31
- Received：25 February 2011，
  
  Revised：24 May 2011，
  
  Published Online：22 July 2011，
  
  Published：22 July 2011
- 稿件说明：
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乐天, 曾庆光, 张梅, 黄天, 颜强望, 王忆. Eu3+掺杂2ZnO·2.2B2O3·3H2O 红色荧光粉的发光性能[J]. 发光学报, 2011,32(7): 709-714

LE Tian, ZENG Qing-guang, ZHANG Mei, HUANG Tian, YAN Qiang-wang, WANG Yi. Luminescent Properties of Eu3+-doped 2ZnO·2.2B2O3·3H2O[J]. Chinese Journal of Luminescence, 2011,32(7): 709-714
乐天, 曾庆光, 张梅, 黄天, 颜强望, 王忆. Eu3+掺杂2ZnO·2.2B2O3·3H2O 红色荧光粉的发光性能[J]. 发光学报, 2011,32(7): 709-714 DOI： 10.3788/fgxb20113207.0709.

LE Tian, ZENG Qing-guang, ZHANG Mei, HUANG Tian, YAN Qiang-wang, WANG Yi. Luminescent Properties of Eu3+-doped 2ZnO·2.2B2O3·3H2O[J]. Chinese Journal of Luminescence, 2011,32(7): 709-714 DOI： 10.3788/fgxb20113207.0709.

摘要

采用水热法合成2ZnO2.2B

O ∶ Eu

红色荧光粉。其形貌、结构和光学性能分别用扫描电镜、X射线衍射和荧光光谱进行表征。扫描电镜图片显示样品的尺寸分布在0.1~1 m范围内。随着Eu

掺杂浓度的升高

样品向无定形的玻璃态转变。当激发波长为253 nm(属于Eu

-O

电荷迁移带吸收)时

样品中Eu

的发光强度远远强于用394 nm激发的;当掺杂量增大到24% ∶

(Zn

)=24%]时

出现浓度猝灭效应。随着样品退火温度的升高

样品逐渐变成为无定形的玻璃态。当样品的退火温度升高至400 ℃时

的发光强度减弱

与此同时出现了一个新的宽发射峰(峰位在470 nm

对应于Eu

的发射峰)

说明在此温度下部分Eu

被还原成Eu

。

Abstract

doped 2ZnO2.2B

was synthesized by hydrothermal method. The morphology

crystal phase and luminescent properties of the sample were characterized by scanning electronic microscopy (SEM)

X-ray diffraction (XRD) and fluorescence spectra

respectively. The SEM image shows the particle size of the as-prepared powder is ranged from 0.1 to 1 m. The crystal phase of the as-prepared powder is toward to glass state with the increasing of Eu

content. The fluorescence spectra of Eu

-doped 2ZnO2.2B

O reveals that the emission intensity of Eu

excited by 253 nm (corresponding to the charge transfer band of Eu

-O

) is much stronger than it excited by 394 nm. The optimism doping concentration is 24% ∶

(Zn

)=24%]. When the annealing temperature is increased up to 400 ℃

decrease in the emission intensity of Eu

and appearance of a new fluorescence peak (the peak position at 470 nm) assigned to the emission of Eu

is observed.

关键词

Keywords

references

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⁰

Luminescent Properties of Eu3+-doped 2ZnO·2.2B2O3·3H2O

DOI：10.3788/fgxb20113207.0709

摘要

Abstract

关键词

Keywords

references

Luminescent Properties of Eu³⁺-doped 2ZnO·2.2B₂O₃·3H₂O