Highly efficient near-infrared quantum cutting in Ce3+/Yb3+ co-doped chalcohalide glasses

被引：21
|
作者：
Gao, Bing [1 ]
Yan, Qiqi [1 ]
Tong, Yu [1 ,2 ]
Zhang, Xianghua [2 ]
Ma, Hongli [2 ]
Adam, Jean-luc [2 ]
Ren, Jing [1 ]
Chen, Guorong [1 ]
机构：
[1] E China Univ Sci & Technol, Sch Mat Sci & Engn, Minist Educ, Key Lab Ultrafine Mat, Shanghai 200237, Peoples R China
[2] Univ Rennes 1, Lab Verres & Ceram, CNRS, UMR Sci Chim Rennes 6226, F-35042 Rennes, France
来源：
JOURNAL OF LUMINESCENCE | 2013年 / 143卷
基金：
中国国家自然科学基金;
关键词：
Energy transfer; Quantum cutting; Chalcohalide glasses; Ce3+; Yb3+; LUMINESCENCE; CONVERSION;
D O I：
10.1016/j.jlumin.2013.04.015
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Near-infrared (NIR) quantum cutting involving the emission of two NIR photons for each visible photon absorbed is realized from Ce3+/Yb3+ codoped chalcohalide glasses. Excitation, emission and decay spectra are measured to prove the occurrence of energy transfer (ET) from Ce3+ to Yb3+. The maximum ET efficiency obtained is as high as 82%, and the possible mechanism of ET is discussed. The directly measured and calculated quantum yield (QY) of the Yb3+ emission upon the excitation of 5d level of Ce3+ is up to 119%. Crown Copyright (C) 2013 Published by Elsevier B.V. All rights reserved.
引用
收藏
页码：181 / 184
页数：4
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