Effect of the Glass Structure on Emission of Rare-Earth-Doped Borate Glasses

被引：27

作者：

Jiao, Qing ^{[1
]}

Li, Ge ^{[1
]}

Zhou, Dacheng ^{[2
]}

Qiu, Jianbei ^{[2
]}

机构：

[1] Ningbo Univ, Res Inst Adv Technol, Lab Infrared Mat & Devices, Ningbo 315211, Peoples R China

[2] Kunming Univ Sci & Technol, Fac Mat Sci & Engn, Kunming 650093, Peoples R China

来源：

JOURNAL OF THE AMERICAN CERAMIC SOCIETY | 2015年 / 98卷 / 12期

关键词：

NMR; B-11; BORON; LUMINESCENCE; CERAMICS; RAMAN;

D O I：

10.1111/jace.13832

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：

A series of glasses composed of xB(2)O(3)-8Al(2)O(3)-(90-x)Na2O-R2O3 (x = 65, 70, 75, 80, 85; R = Dy3+, Tb3+, Sm3+) were prepared through melt-quenching. Structural evolution was induced by varying the glass composition. Increasing the glass network former B2O3 enhanced the luminescence of rare-earth ions, as observed in the emission spectra. The mechanism of the glass structural evolution was investigated by the NMR spectra analysis. The dispersant effect of the glass structure was believed to promote the better distribution of the rare-earth ions in the matrix and reduced the concentration quenching between them. The relationship between the glass structure and its optical properties was established.

引用

页码：4102 / 4106

页数：5

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