Photoluminescent properties of Ca2RE8(SiO4)6O2:A (RE = Y, Gd; A = Pb2+, Mn2+) phosphor films prepared by sol-gel process

被引：13
|
作者：
Han Xiumei [1 ]
Lin Jun [2 ]
Li Zhe [1 ]
Qi Xiwei [1 ]
Li Mingya [1 ]
Wang Xiaoqiang [1 ]
机构：
[1] Northeastern Univ, Qinhuangdao Branch, Dept Mat Sci & Engn, Qinhuangdao 066004, Peoples R China
[2] Chinese Acad Sci, Changchun Inst Appl Chem, Key Lab Rare Earth Chem & Phys, Changchun 130022, Peoples R China
来源：
JOURNAL OF RARE EARTHS | 2008年 / 26卷 / 03期
关键词：
silicate oxyapatite; luminescence; Ph2+; Mn2+; energy transfer; rare earths;
D O I：
10.1016/S1002-0721(08)60114-3
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
Ca2RE8(SiO4)(6)O-2:A (FE=Y, Gd; A=Pb2+, Mn2+) phosphor films were dip-coated on quartz glass substrates through the sol-gel process. X-ray diffraction (XRD), photoluminescence (PL) spectra as well as lifetimes were used to characterize the resulting films. Under short wavelength UV excitation, the film showed a red emission with medium intensity. The decay curve of Mn2+ luminescence in Ca2Gd8(SiO4)(6)O-2:Pb Mn film could be fitted into a single exponential function. The lifetime of Mn2+ was 10.21 ms in Ca2Gd8(SiO4)(6)O-2.
引用
收藏
页码：443 / 445
页数：3
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