A novel red-emitting nano-phosphor of Eu3+-doped LaBWO6

被引：45
|
作者：
Huang, Yanlin [2 ]
Seo, Hyo Jin [1 ]
机构：
[1] Pukyong Natl Univ, Dept Phys, Pusan 608737, South Korea
[2] Soochow Univ, Coll Chem Chem Engn & Mat Sci, Suzhou 215123, Peoples R China
来源：
MATERIALS LETTERS | 2012年 / 84卷
关键词：
Nanocrystalline materials; Luminescence; Phosphors; CRYSTAL-STRUCTURE; GROWTH;
D O I：
10.1016/j.matlet.2012.06.051
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Eu3+-doped borotungstate La1-xEuxBWO6 (x=0.01-0.25) were synthesized by Pechini method. The red-emitting nano-phosphors were characterized by X-ray powder diffraction, scanning electron microscope and photoluminescence excitation and emission measurements. The optimal Eu3+ doping level of the phosphors was determined by the dependence of the red luminescence on the concentration. The abnormally high intensity of D-5(0)-> F-7(4) transition from Eu3+ ions was observed in La1-xEuxBWO6 (x=0.01-0.25). This nano-phosphor can be efficiently excited by near-ultraviolet and blue light to realize the far stronger red luminescence than the Y2O2S:Eu3+. (C) 2012 Elsevier B.V. All rights reserved.
引用
收藏
页码：107 / 109
页数：3
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