Preparation and Surface Coating of BAM Blue Phosphors

WANG Juan-juan; YUAN Xi-ming; LI Yu-jin; WANG Yong-qian; SHANG Shu-juan

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Preparation and Surface Coating of BAM Blue Phosphors

Material Physics & Chemistry | 更新时间：2020-08-12

- Preparation and Surface Coating of BAM Blue Phosphors
- Chinese Journal of Liquid Crystals and Displays Vol. 25, Issue 2, Pages: 181-185(2010)
- 作者机构：
  
  1. 中国地质大学教育部纳米矿物材料及应用工程研究中心,湖北武汉 430074,E-mail:juanjuanwang726@163.com
  2. 中国地质大学材料科学与化学工程学院,湖北武汉,430074
  3. 吉林大学测试中心,吉林长春,130026
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN104.3
- Received：26 September 2009，
  
  Revised：02 January 1900，
  
  Published Online：30 April 2010，
  
  Published：30 April 2010
- 稿件说明：
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王娟娟;袁曦明;李予晋;王永钱;尚淑娟;. PDP用BAM蓝色荧光粉的制备及表面包覆[J]. 液晶与显示, 2010,25(2): 181-185

WANG Juan-juan;YUAN Xi-ming;LI Yu-jin;WANG Yong-qian;SHANG Shu-juan;. Preparation and Surface Coating of BAM Blue Phosphors[J]. 液晶与显示, 2010,25(2): 181-185
王娟娟;袁曦明;李予晋;王永钱;尚淑娟;. PDP用BAM蓝色荧光粉的制备及表面包覆[J]. 液晶与显示, 2010,25(2): 181-185 DOI：

WANG Juan-juan;YUAN Xi-ming;LI Yu-jin;WANG Yong-qian;SHANG Shu-juan;. Preparation and Surface Coating of BAM Blue Phosphors[J]. 液晶与显示, 2010,25(2): 181-185 DOI：

摘要

采用高温固相法制备PDP用BAM(BaMgAl

: Eu

)蓝色荧光粉

并用硅酸钠对其进行表面包覆。采用PDP真空紫外测试系统、SEM、IR和XRD等分析手段对荧光粉的光学性能、形貌、结构等进行表征。结果表明: Sr

、Ce

、Zn

和Mg

的掺杂有效提高了荧光粉的相对发光强度(约为50%);BAM蓝色荧光粉表面包覆了一层致密的硅氧化合物无机膜

经过表面包覆后

荧光粉的热稳定性显著提高

包覆后亮度衰减比例降低了10%。

Abstract

BAM phosphors which were prepared by high temperature solid-state method were coated with Na

SiO

. The spectral properties

surface morphology and the crystal structure were characterized by PDP testing

SEM

IR and XRD

respectively. The results indicated that the relative luminescence intensity increased by 50% through ion doping of Sr

and Mg

. The surface of BAM phosphors was evenly coated by SiO

. The perfor-mance of anti-degradation has been significantly improved by surface coating. The attenuation of the relative luminescences intensity decreases about 10 %.

关键词

Keywords

references

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. 刑德松, 龚孟濂, 邱学青, 等. 等离子显示用稳定发光BaMgAl10O17 : Eu2+荧光粉的制备及其性能[J]. 中山大学学报(自然科学版), 2007, 46 (1): 57-61.

. 尹承烈. 简明化学手册 [M]. 北京: 化学工业出版社, 1983:18.

. Oshio S,Matsuoka T. Mechanism of luminance decrease in BaMgAl10O17 : Eu2+ phosphors by oxidation [J]. J. Electrochemical Society, 1998, 145(11):3903-3907.

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. Zhang Zhanhui, Wang Yuhua, Li Xiaoxia, et al. Photoluminescence degradation and color shifts of annealed BaMg Al10O17 : Eu2+ phosphor [J]. J. Lumin., 2007, 122-123:1003-1005.

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