Super-bright and Short-lived photoluminescence of Textured Zn2SiO4:Mn2+ Phosphor Film on Quartz Glass

被引：0

作者：

Park, Jehong ^{[1
]}

Park, Kwangwon ^{[1
]}

Lee, Jaebum ^{[1
]}

Kim, Jongsu ^{[1
,3
]}

Seo, Kwangil ^{[2
]}

Kwon, Kevin ^{[2
]}

Kung, Patrick ^{[3
]}

Kim, Seongsin M. ^{[3
]}

机构：

[1] Pukyong Natl Univ, Dept Image Syst Sci & Engn, Pusan 608739, South Korea

[2] MUJIN Co, Kyunggi Do 71912, South Korea

[3] Univ Alabama, Dept Elect & Comp Engn, Tuscaloosa, AL 35487 USA

来源：

EMERGING LIQUID CRYSTAL TECHNOLOGIES V | 2010年 / 7618卷

关键词：

Zn2SiO4:Mn2+; phosphor film; thermal diffusion; photoluminescence; LUMINESCENCE PROPERTIES; SILICON; FABRICATION;

D O I：

10.1117/12.840456

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Green-emissive textured Zn2SiO4:Mn2+ phosphor film was fabricated by a thermal diffusion of ZnO:Mn on quartz glass. The characterization has been performed in terms of Mn2+ ions concentration ( Mn/Zn=1 similar to 9 mol %). As an increase of Mn2+ ions concentration in the Zn2SiO4: Mn2+ phosphor film, the emission peak was red shifted from 519 nm to 526 nm, and the decay time to 10% of the maximum intensity was shorter from 20 ms to 0.5 ms. All annealed Zn2SiO4:Mn2+ phosphor films became textured along some hexagonal directions on the amorphous quartz glass. The brightest Zn2SiO4:Mn2+ film at optimal Mn2+ concentration of 5 % showed the photoluminescence brightness of 65 % and the shortened decay time of 4.4 ms in comparison with a commercially Zn2SiO4:Mn2+ powder phosphor screen. The excellencies can be attributed to a unique textured structure.

引用

页数：5

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