Luminescent and aging characteristics of blue emitting (Ca1-xMgx)Al2Si2O8 : Eu2+ phosphor for PDPs application

Bin Im W; Kim YI; Kang JH; Jeon DY

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Luminescent and aging characteristics of blue emitting (Ca1-xMgx)Al2Si2O8 : Eu2+ phosphor for PDPs application

机译：用于PDP的发蓝色（Ca1-xMgx）Al2Si2O8：Eu2 +荧光粉的发光和老化特性

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We have evaluated thermal stability and aging property of a blue color-emitting phosphor, CaAl2Si2O8:Eu2+ (CAS:Eu2+), synthesized by conventional solid-state reaction method. When both CAS:Eu2+ and BaMgAl10O19:Eu2+ (BAM) were baked in air at 500 degrees C for 20 min. the decrease of photoluminescence (PL) intensity of CAS:Eu2+ was lower than that of BAM. The aging property of CAS:Eu2+ was also better than that of BAM. Due to its rigid Structure and unlimited framework of silicon-oxygen and aluminum-oxygen around Eu2+ ions, Eu2+ ions were protected from outer oxidizing atmosphere and plasma discharge. After analysis of aging property and thermal stability, the differences of these thermal stability and aging property of CAS:Eu2+ from those of BAM were ascribed to its crystal structure which plays a role of a shield for Eu2+ ions against oxidation atmosphere and Xe ion bombardment. (c) 2005 Elsevier Ltd. All rights reserved.

机译：我们评估了通过常规固态反应方法合成的蓝色荧光粉CaAl2Si2O8：Eu2 +（CAS：Eu2 +）的热稳定性和老化性能。将CAS：Eu2 +和BaMgAl10O19：Eu2 +（BAM）在空气中于500摄氏度烘烤20分钟。 CAS：Eu2 +的光致发光（PL）强度的降低低于BAM。 CAS：Eu2 +的老化性能也优于BAM。由于其刚性结构以及围绕Eu2 +离子的硅氧和铝氧的无限框架，Eu2 +离子可免受外部氧化气氛和等离子体放电的影响。经过老化性能和热稳定性的分析，CAS：Eu2 +与BAM的热稳定性和老化性能的差异归因于其晶体结构，该结构起到屏蔽Eu2 +离子抵抗氧化气氛和Xe离子轰击的作用。（c）2005 Elsevier Ltd.保留所有权利。

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来源
《Solid State Communications》 |2005年第11期|p. 717-720|共4页
作者
Bin Im W; Kim YI; Kang JH; Jeon DY;
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作者单位

Korea Adv Inst Sci & Technol, Dept Mat Sci & Engn, Taejon 305701, South Korea;

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原文格式 PDF
正文语种 eng
中图分类固体物理学;
关键词
phosphor; CaAl2Si2O8 : Eu2+; optical properties; thermal degradation; EU2+;

机译：荧光粉;CaAl2Si2O8：Eu2 +;光学性能;热降解;EU2 +;

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Luminescent and aging characteristics of blue emitting (Ca1-xMgx)Al2Si2O8 : Eu2+ phosphor for PDPs application

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