Photon conversion in Tb, Yb:CaxSr1-xAl2O4 nanocrystals

被引：1
|
作者：
Fix, T. [1 ,2 ]
Rinnert, H. [3 ]
Rehspringer, J-L [4 ]
Slaoui, A. [1 ,2 ]
机构：
[1] Univ Strasbourg, ICube Lab, 23 Rue Loess BP 20 CR, F-67037 Strasbourg 2, France
[2] CNRS, 23 Rue Loess BP 20 CR, F-67037 Strasbourg 2, France
[3] Univ Lorraine, UMR CNRS 7198, Inst Jean Lamour, BP 70239, F-54506 Vandoeuvre Les Nancy, France
[4] Univ Strasbourg UDS, UMR 7504, CNRS, IPCMS, 23 Rue Loess, F-67034 Strasbourg 2, France
来源：
JOURNAL OF LUMINESCENCE | 2018年 / 202卷
关键词：
Photon conversion; Downconversion; Photovoltaics; Rare earth; DOWN-CONVERSION; STRUCTURE SPINELLE; SOLAR-CELLS; EFFICIENCY; COMPOSES; GLASSES;
D O I：
10.1016/j.jlumin.2018.06.001
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
In this work the fabrication and the photoluminescence properties of CaxSr(1-x)Al(2)O(4) nanocrystals doped with Ca, Tb and Yb are investigated. The photoluminescence quantum yield measured at 980 nm of the Yb doped CaxSr(1x)Al(2)O(4) nanocrystals is found to be 8% for an excitation in the ultraviolet range. However the quantum efficiency decreases with the insertion of Tb. Photoluminescence excitation experiments and time-resolved photoluminescence both conclusively demonstrate that no energy transfer between Tb and Yb occurs in this host matrix.
引用
收藏
页码：377 / 380
页数：4
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