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

页码：181 / 184

页数：4

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