Upconversion emission in CaTiO3:Er3+ nanocrystals

被引：40
|
作者：
Deren, P. J. [1 ]
Mahiou, R. [2 ,3 ]
Pazik, R. [1 ]
Lemanski, K. [1 ]
Strek, W. [1 ]
Boutinaud, Ph. [2 ,3 ]
机构：
[1] Polish Acad Sci, Inst Low Temp & Struct Res, PL-50950 Wroclaw 2, Poland
[2] Univ Clermont Ferrand, LMI, CNRS, UMR 6002, F-63177 Aubiere, France
[3] ENSCCF, F-63177 Aubiere, France
来源：
JOURNAL OF LUMINESCENCE | 2008年 / 128卷 / 5-6期
关键词：
sol-gel; perovskite; rare earth; erbium; upconversion emission; CaTiO3;
D O I：
10.1016/j.jlumin.2007.11.057
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
CaTiO3:Er3+ (5%) nanocrystals were obtained by sol-gel method under acidic conditions. The sizes of nanocrystals were 40 nm. Strong green anti-Stokes emission was observed after excitation of the I-4(9/2) and I-4(11/2) level. The emission is due to excited state absorption (ESA) and energy transfer upconversion (ETU). (C) 2007 Elsevier B.V. All rights reserved.
引用
收藏
页码：797 / 799
页数：3
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