Competitive nanocrystallization of Na3ScF6 and NaYbF4 in aluminosilicate glass and optical spectroscopy of Ln3+ dopants

被引：7
作者：
Chen, Daqin [1 ,2 ]
Peng, Yongzhao [1 ]
Li, Xinyue [1 ]
Zhong, Jiasong [1 ]
Huan, Ping [3 ]
机构：
[1] Hangzhou Dianzi Univ, Coll Mat & Environm Engn, Hangzhou 310018, Zhejiang, Peoples R China
[2] Fujian Normal Univ, Coll Phys & Energy, Fuzhou 350117, Fujian, Peoples R China
[3] Chinese Acad Sci, Fujian Inst Res Struct Matter, State Key Lab Struct Chem, Fuzhou 350002, Fujian, Peoples R China
来源：
CERAMICS INTERNATIONAL | 2018年 / 44卷 / 13期
基金：
中国国家自然科学基金;
关键词：
Glass ceramics; Optical materials; Na3ScF6; NaYbF4; Upconversion; UP-CONVERSION LUMINESCENCE; IN-VIVO; NAYF4; NANOCRYSTALS; PHASE-SEPARATION; SOLID-STATE; CERAMICS; EMISSION; CRYSTAL; YB3+; EVOLUTION;
D O I：
10.1016/j.ceramint.2018.05.237
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：
The precipitation of monoclinic Na3ScF6 nanocrystals from aluminosilicate glass with specially designed compositions of SiO2-Al2O3-Na2O-NaF-ScF3-YbF3 was achieved for the first time. Impressively, competitive nanocrystallization of cubic NaYbF4 and monoclinic Na3ScF6 has been evidenced to be dependent on Na( )(+)content and F/Na ratio in glass. Adopting Er3+ and Eu3+ dopants as structural probes, optical spectroscopic analyses verified that these emissive centers preferred to partition into NaYbF4 nanocrystals rather than Na3ScF6 ones.
引用
收藏
页码：15666 / 15673
页数：8
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