Upconversion luminescence in erbium doped transparent oxyfluoride glass ceramics containing hexagonal NaYF4 nanocrystals

被引：57
作者：
Sarakovskis, Anatolijs [1 ]
Krieke, Guna [1 ,2 ]
机构：
[1] Univ Latvia, Inst Solid State Phys, LV-1063 Riga, Latvia
[2] Riga Tech Univ, Inst Gen Chem Engn, LV-1048 Riga, Latvia
来源：
JOURNAL OF THE EUROPEAN CERAMIC SOCIETY | 2015年 / 35卷 / 13期
关键词：
Upconversion; Luminescence; NaYF4; Er3+; Glass; Transparent glass ceramics; Oxyfluoride; CRYSTALLIZATION; MICROSTRUCTURE; LANTHANIDE; SILICATE; GREEN; IONS; ER; DEPENDENCE; EFFICIENCY; DESIGN;
D O I：
10.1016/j.jeurceramsoc.2015.06.014
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：
In this work transparent erbium doped oxyfluoride glass ceramics containing hexagonal NaYF4 nanocrystals has been prepared by melt-quenching and subsequent heat treatment of the precursor glass. The formation of beta-NaYF4 was confirmed by X-ray diffraction measurements. The overall intensity of the upconversion luminescence of the glass ceramics sample is 2 orders of magnitude higher than that of the precursor glass. The observed enhancement of the efficiency is explained by the incorporation of Er3+ into low-phonon beta-NaYF4 crystalline phase. (C) 2015 Elsevier Ltd. All rights reserved.
引用
收藏
页码：3665 / 3671
页数：7
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