Luminescent properties of YBO3:Eu3+ nanosheets and microstructural materials consisting of nanounits

被引：24
|
作者：
Pan, Guohui
Song, Hongwei [1 ]
Yu, Lixin
Liu, Zhongxin
Bai, Xue
Lei, Yangqiang
Fan, Libo
机构：
[1] Chinese Acad Sci, Changchun Inst Opt Fine Mech & Phys, Key Lab Excited State Phys, Changchun 130033, Peoples R China
[2] Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
来源：
JOURNAL OF LUMINESCENCE | 2007年 / 122卷
基金：
中国国家自然科学基金;
关键词：
yttrium orthoborate; luminescence; low dimension; nanomaterials;
D O I：
10.1016/j.jlumin.2006.01.316
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Pure hexagonal-phased YBO3:Eu3+ nanocrystals (NCs) including natiosheets (NSs), bundles of nanobelts (NBs) and quasi-spheres composed of nanotubes (NTs) were prepared by hydrothermal method. The results indicate that in NCs, there exist two symmetry sites of Eu3+ ions, the interior (A) and the surface (B), while there exists only one interior site (A) in the bulk. It is important to observe that the electronic transition rate of D-5(0)-Sigma(j) F-7(J) Eu3+ at the surface site is improved 3-5 times than that of the interior site. (c) 2006 Published by Elsevier B.V.
引用
收藏
页码：882 / 885
页数：4
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