Luminescence Properties of Eu2+ in BaAl12O19 Matrix

HEMing-rui; XIAO Lin-jiu; TIAN Yan-wen; CHEN Yong-jie; YANG Rui-qin; LI Wen-ze; ZHANG Li-q

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Luminescence Properties of Eu²⁺ in BaAl₁₂O₁₉ Matrix

更新时间：2020-08-12

- Luminescence Properties of Eu²⁺ in BaAl₁₂O₁₉ Matrix
- Chinese Journal of Luminescence Vol. 29, Issue 6, Pages: 979-983(2008)
- 作者机构：
  
  1. 东北大学, 材料与冶金学院,辽宁沈阳,110004
  2. 沈阳化工学院, 应用化学学院,辽宁沈阳,110142
- 作者简介：
- 基金信息：
- DOI：
  CLC： O482.31;O614.33
- Received：02 September 2008，
  
  Revised：10 November 2008，
  
  Published：20 November 2008
- 稿件说明：
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贺明睿, 肖林久, 田彦文, 陈永杰, 杨瑞琴, 李文泽, 张丽清. BaAl12O19基质中Eu2+的发光特性[J]. 发光学报, 2008,29(6): 979-983

HEMing-rui, XIAO Lin-jiu, TIAN Yan-wen, CHEN Yong-jie, YANG Rui-qin, LI Wen-ze, ZHANG Li-qing. Luminescence Properties of Eu2+ in BaAl12O19 Matrix[J]. Chinese Journal of Luminescence, 2008,29(6): 979-983
贺明睿, 肖林久, 田彦文, 陈永杰, 杨瑞琴, 李文泽, 张丽清. BaAl12O19基质中Eu2+的发光特性[J]. 发光学报, 2008,29(6): 979-983 DOI：

HEMing-rui, XIAO Lin-jiu, TIAN Yan-wen, CHEN Yong-jie, YANG Rui-qin, LI Wen-ze, ZHANG Li-qing. Luminescence Properties of Eu2+ in BaAl12O19 Matrix[J]. Chinese Journal of Luminescence, 2008,29(6): 979-983 DOI：

摘要

采用溶胶-凝胶法制备了Eu

掺杂的BaAl

发光粉.通过X射线衍射(XRD)和荧光光谱对荧光粉的晶体结构和发光特性进行检测.结果表明:制得的荧光粉为六方BaAl

单相

其发射光谱为一不对称的宽带发射峰

是由三种晶格位置的Eu

所产生的不同峰值的发射峰叠加而成的.详细考察了晶化温度、Eu

掺杂浓度和Al

含量的改变对Eu

进入不同晶格位置的影响.

Abstract

doped BaAl

phosphorswere prepared by using the sol gelmethod

and their structure and luminescence propertieswere characterized by X-ray diffraction(XRD) analysis and fluorescence spectrometry.The results showed thata single hexagonal BaAl

crystal structurewas synthesized and the emission spectrum of BaAl

:Eu exhibited a broad asymmetric band

which was composed of three emission peaks at 438

462

511 nm

respectively.The position and intensity of emission band were affected by crystallization temperature

concentration and Al

content. With crystallization temperature increasing

the emission intensity of 438 nm significantly increaseed

but the emission intensity of 511 nm decreaseed.With Eu

concentration increasing

the emission peak shifted to longerwavelength.The optimum concentration of Eu

was 10%.The emission intensity increased effectively in blue light region and decreased in green light region by Al

content reducing.

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