Near-infrared emission of Yb3+ through energy transfer from ZnO to Yb3+ in glass ceramic containing ZnO nanocrystals

被引：52

作者：

Luo, Qun ^{[1
]}

Qiao, Xvsheng ^{[1
]}

Fan, Xianping ^{[1
]}

Zhang, Xianghua ^{[2
]}

机构：

[1] Zhejiang Univ, State Key Lab Silicon Mat, Dept Mat Sci & Engn, Hangzhou 310027, Peoples R China

[2] Univ Rennes 1, Lab Glasses & Ceram, CNRS, UMR 6226, F-35042 Rennes, France

来源：

OPTICS LETTERS | 2011年 / 36卷 / 15期

基金：

中国国家自然科学基金;

关键词：

PHOTOLUMINESCENCE; GREEN; EU3+; NANOSTRUCTURES;

D O I：

10.1364/OL.36.002767

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Yb3+-doped glass and glass ceramic containing ZnO nanocrystals were prepared by the melting-quenching method and subsequent heat treatment. Intense near-IR emission around 1000nm that originated from the transition of Yb3+ : F-2(5/2) -> F-2(7/2) was generated as a result of energy transfer from oxygen interstitials in ZnO nanocrystals to Yb3+ with energy transfer efficiency of about 10%. The quantum yield for the near-IR emission of Yb3+ under the excitation of 390 nm was about 16.7%. These materials have potential application in achieving high-efficiency Si solar cells via spectrum modification. (C) 2011 Optical Society of America

引用

页码：2767 / 2769

页数：3

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