Optical properties of blue-emitting BaAl2S4 : Eu thin-films for inorganic EL display

被引：0
|
作者：
Guo Runhong [1 ]
Miura, Noboru [1 ]
Matsumoto, Hironaga [1 ]
Nakano, Ryotaro [1 ]
机构：
[1] Meiji Univ, Sch Sci & Technol, Tama Ku, Kawasaki, Kanagawa 2148571, Japan
来源：
JOURNAL OF RARE EARTHS | 2006年 / 24卷
关键词：
photoluminescence; band-gap energy; BaAl2S4 : Eu; electroluminescence; dielectric constant; rare earths;
D O I：
暂无
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
The optical properties of blue emitting BaAl2S4:Eu thin-films were studied. The emission peak is around 470 nm, whose FWHM (full width at half maximum) is 35 nm. The dielectric constant is 3.03 from transmission spectrum, and the optical band gap is approximately 4.6 eV. It is found that the cubic phase and orthorhombic phase exist in fabricated thin-films. Furthermore, the energy band structure of RaAl2S4:Eu thin-films from X-ray photo-electron spectra (XPS) and the absorption spectra were analyzed.
引用
收藏
页码：119 / 121
页数：3
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