A Potential Green Phosphor for Application in PDP

YANG Hong-mei; SHI Jian-xin; GONG Meng-lian; LIANG Hong-bin

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A Potential Green Phosphor for Application in PDP

paper | 更新时间：2020-08-12

- A Potential Green Phosphor for Application in PDP
- Chinese Journal of Luminescence Vol. 31, Issue 6, Pages: 791-795(2010)
- 作者机构：
  
  1. 广东工业大学轻工化工学院,广东广州,510006
  2. 中山大学化学与化工学院,广东广州,510275
- 作者简介：
- 基金信息：
  
  Project supported by the 211 project;Research Fund for the Doctoral Program of Gua
- DOI：
  CLC： O482.31;TN104.3
- Received：07 December 2009，
  
  Revised：11 March 2010，
  
  Published Online：22 November 2010，
  
  Published：22 November 2010
- 稿件说明：
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杨红梅, 石建新, 龚孟濂, 梁宏斌. 一种具有应用潜力的等离子体用绿色荧光粉[J]. 发光学报, 2010,31(6): 791-795

YANG Hong-mei, SHI Jian-xin, GONG Meng-lian, LIANG Hong-bin. A Potential Green Phosphor for Application in PDP[J]. Chinese Journal of Luminescence, 2010,31(6): 791-795
杨红梅, 石建新, 龚孟濂, 梁宏斌. 一种具有应用潜力的等离子体用绿色荧光粉[J]. 发光学报, 2010,31(6): 791-795 DOI：

YANG Hong-mei, SHI Jian-xin, GONG Meng-lian, LIANG Hong-bin. A Potential Green Phosphor for Application in PDP[J]. Chinese Journal of Luminescence, 2010,31(6): 791-795 DOI：

摘要

研究了绿色荧光粉Ca

GeO

:Tb

的真空紫外光谱性质

用172nm激发荧光粉

其发射峰在549nm

此绿色发光峰归属于Tb

的

磁偶极跃迁

离子的最佳摩尔分数

=0.05。激发光谱中147nm和172nm的激发强度分别是218nm的1.5和1.7倍。因为在等离子体显示中激发光波长是147nm和172nm

因此荧光粉在这两个波长的激发强度对荧光粉在等离子体显示中的应用至关重要。Al

的共掺杂可使荧光粉的发光强度增强2倍

因此

GeO

:Tb

是一种具有应用潜力的等离子体显示用绿色荧光粉。

Abstract

Structural characterization of the luminescent material Ca

GeO

:Tb

was carried out with X-ray powder diffraction analysis. The VUV luminescence property of the green emitting phosphor Ca

GeO

:Tb

was studied in details. When absorption at 172 nm

the phosphor shows bright green emission at 549 nm due to the

magnetic dipole transition

the optimum Tb

doping concentration is

=0.05. The absorption intensity at 147 nm and 172 nm is almost 1.5 and 1.7 times of that at 218 nm

respectively. It is worthy to point out that the intense excitation at 147 nm and 172 nm in UVU region makes it undoubtedly convenient to apply in PDP

because the wavelength of excitation source in PDP is mainly at 147 nm and 172 nm. In addition

the Al

co-doping enhances the green emission from Ca

GeO

:Tb

by about 2 times under VUV excitation. The excellent luminescence properties make it possible as a good candidate for the PDP application.

关键词

Keywords

references

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