期刊
FUNCTIONAL MATERIALS LETTERS
卷 3, 期 2, 页码 97-100出版社
WORLD SCIENTIFIC PUBL CO PTE LTD
DOI: 10.1142/S1793604710001020
关键词
Spherical-shaped phosphor; Mn doped Zn2SiO4; spray pyrolysis; inorganic salt; photoluminescence (PL); PDPs
资金
- Korean Government [20090094025, 20090077534]
Spherical-shape Zn2SiO4:Mn phosphor particles with the mean particle size from submicron to micron sizes were prepared by ultrasonic spray pyrolysis method. A droplet separator was introduced to control the size distribution of the phosphor particles with spherical shape. The Zn2SiO4:Mn phosphor particles with 2 mol% doping concentration of manganese have decay time and have photoluminescence intensities comparable with those of the latest commercial product prepared by the solid state reaction method. The size of the phosphor particles was decreased from 1000 to 200 nm as the inorganic salt solution concentration was changed from 0 to 5 M. The phosphor particles prepared from the solutions above 0.5 M have photoluminescence intensities comparable with that of the latest commercial product.
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