Influence of the Eu2+ on the Silver Aggregates Formation in Ag+-Na+ Ion-Exchanged Eu3+-Doped Sodium-Aluminosilicate Glasses

被引：16
|
作者：
Li, Longji [1 ]
Yang, Yong [1 ]
Zhou, Dacheng [1 ]
Yang, Zhengwen [1 ]
Xu, Xuhui [1 ]
Qiu, Jianbei [1 ]
机构：
[1] Kunming Univ Sci & Technol, Sch Mat Sci & Engn, Kunming 650093, Peoples R China
来源：
JOURNAL OF THE AMERICAN CERAMIC SOCIETY | 2014年 / 97卷 / 04期
基金：
中国国家自然科学基金;
关键词：
WHITE-LIGHT EMISSION; ENERGY-TRANSFER; ML-AG; LUMINESCENCE; EU3+; ENHANCEMENT; PARTICLES;
D O I：
10.1111/jace.12745
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：
Europium-doping sodium-aluminosilicate glasses are prepared by melt-quenching method, in which europium ions were spontaneously reduced from their trivalent to divalent state. The silver was introduced into glasses by Ag+-Na+ ion exchange and the interactions between europium ions and silver species were investigated. Owing to energy transfer (ET) from Ag+/silver aggregates to Eu3+, significant enhancements of Eu3+ emission were observed for 285/350-nm excitation, respectively. The divalent europium ions promote the formation of silver aggregates in the process of ion exchange.
引用
收藏
页码：1110 / 1114
页数：5
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