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.
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页数：5
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