Effect of glass network modifier R2O(R=Li, Na and K) on upconversion luminescence in Er3+/Yb3+ co-doped NaYF4 oxyfluoride glass-ceramics

被引：5
|
作者：
高源 [1 ]
胡曰博 [2 ]
任鹏 [1 ]
周大成 [1 ,3 ]
邱建备 [1 ,3 ]
机构：
[1] Faculty of Material Science and Engineering, Kunming University of Science and Technology
[2] Faculty of Mechanical and Electrical Engineering, Kunming University of Science and Technology
[3] Key Laboratory of Advanced Materials of Yunnan Province
来源：
Journal of Rare Earths | 2015年 / 33卷 / 08期
基金：
中国国家自然科学基金; 高等学校博士学科点专项科研基金;
关键词：
upconversion luminescence; glass network modifier; glass ceramics; crystallization activation energy; rare earths;
D O I：
暂无
中图分类号：
TQ171.112 [];
学科分类号：
0805 ; 080502 ;
摘要：
The effect of glass network modifier R2O(R=Li, Na, K) on upconversion luminescence in Er3+/Yb3+ co-doped Na YF4 oxyfluoride glass-ceramics was investigated. NaY F4 nanocrystals with different sizes were studied under glass network modifier alkali mental oxide. The nanocrystals size in NaY F4 of Li2 O modified samples was 11 nm, whereas in the Na2 O and K2 O modified sample, the crystal size was 25 and 43 nm, respectively. It was found that red, yellow and green upconversions were observed in SAL, SAN, SAK glass ceramics. The reported results would deepen the understanding of size effects on the lanthanide upconversion in nanocrystals.
引用
收藏
页码：830 / 836
页数：7
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