Investigation of the persistent luminescence of LiBaPO4: Eu2+

被引：9
作者：
Ju, Guifang [1 ]
Hu, Yihua [1 ]
Chen, Li [1 ]
Wang, Xiaojuan [1 ]
机构：
[1] Guangdong Univ Technol, Sch Phys & Optoelect Engn, Guangzhou 510006, Guangdong, Peoples R China
来源：
JOURNAL OF MATERIALS RESEARCH | 2014年 / 29卷 / 04期
基金：
中国国家自然科学基金;
关键词：
PHOSPHOR; SPECTROSCOPY; THERMOLUMINESCENCE; TEMPERATURE; BEHAVIOR; ENERGY; BAND;
D O I：
10.1557/jmr.2014.1
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We investigated the persistent luminescence in europium-doped LiBaPO4. The persistent phosphors were synthesized via solid-state reaction method under mild reducing atmosphere. Its properties were investigated by x-ray diffraction, diffuse reflectance, photoluminescence, persistent luminescence, and thermoluminescence spectra. Under UV irradiation, broad-band persistent luminescence peaked at similar to 470 nm was observed in the phosphors at room temperature. The effects of Eu2+ concentration on the persistent luminescence of LiBaPO4: Eu2+ were discussed. An energy level scheme was constructed to convey reasonable trapping and detrapping processes in the material.
引用
收藏
页码：519 / 526
页数：8
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