Near-infrared quantum cutting of Eu2+/Yb3+ codoped chalcohalide glasses

被引：23
|
作者：
Yan, Qiqi [1 ]
Ren, Jing [1 ]
Tong, Yu [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
来源：
JOURNAL OF THE AMERICAN CERAMIC SOCIETY | 2013年 / 96卷 / 05期
基金：
国家教育部博士点专项基金资助; 中国国家自然科学基金;
关键词：
ENERGY-TRANSFER; LUMINESCENCE; PHOSPHOR;
D O I：
10.1111/jace.12303
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Near-infrared (NIR) quantum cutting involving the emission of two NIR photons for each visible photon absorbed is realized from Eu2+/Yb3+ codoped chalcohalide glasses. Excitation, emission and decay spectra are measured to prove the occurrence of cooperative energy transfer (ET) from Eu2+ to Yb3+. The maximum ET efficiency obtained is as high as 85%. The ET from Eu2+ to Yb3+ is followed by dipole-dipole interaction. The possible mechanism of ET is discussed.
引用
收藏
页码：1349 / 1351
页数：3
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