Synthesis and characterization of single crystalline YAG:Eu nano-sized powder by sol-gel method

被引：34
|
作者：
Fadlalla, H. M. H. [1 ]
Tang, C. C. [1 ]
Elssfah, E. M. [1 ]
Shi, F. [1 ]
机构：
[1] Cent China Normal Univ, Dept Phys, Wuhan 430079, Peoples R China
来源：
MATERIALS CHEMISTRY AND PHYSICS | 2008年 / 109卷 / 2-3期
基金：
中国国家自然科学基金;
关键词：
luminescence; crystal structures; chemical techniques; annealing;
D O I：
10.1016/j.matchemphys.2007.12.012
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Starting from nitrate and sulphate aqueous solutions with citric acid and ethylene glycol (EG) as additives, nano-sized monocrystalline Y3Al5O12:Eu (YAG:Eu) phosphor particles were prepared by a simple sol-gel route. The structure of the materials was analyzed by means of X-ray diffraction (XRD), showing the cubic garnet phase of YAG. The crystalline YAG:Eu phosphors showed broad emission peaks in the range 445-508 nm. We studied the effect of heat-treatment on the emission intensity of photoluminescence (PL). The Eu2+ concentration effect was also studied. (C) 2007 Elsevier B.V. All rights reserved.
引用
收藏
页码：436 / 439
页数：4
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