Near-infrared luminescence property of Te-doped zinc phosphate glasses

被引：13
作者：
Chen, Qiuqun [1 ]
Zhang, Fangteng [1 ]
Chen, Zhi [1 ]
Qiu, Jianrong [1 ,2 ]
机构：
[1] South China Univ Technol, Inst Opt Commun Mat, State Key Lab Luminescent Mat & Devices, Wushan Rd 381, Guangzhou 510641, Guangdong, Peoples R China
[2] Zhejiang Univ, Coll Opt Sci & Engn, State Key Lab Modern Opt Instrumentat, Hangzhou 310027, Peoples R China
来源：
JOURNAL OF NON-CRYSTALLINE SOLIDS | 2017年 / 458卷
基金：
中国国家自然科学基金;
关键词：
Broadband NIR emission; NIR property; Te-2; clusters; Glass; BI; CENTERS;
D O I：
10.1016/j.jnoncrysol.2016.11.036
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：
Broadband near-infrared (NIR) emission has been observed from Te-containing glasses melted under reduced conditions in recent years. However, it has not been paid great attention compared with Bi-containing glasses, and there are few reports on the NIR emission property of Te-containing glasses. In this paper, we report tunable broadband NIR emission from 900 to 1500 nm in Te-doped zinc phosphate glasses. The emission intensity increases with increasing melting temperature, indicating the temperature-dependent formation of the related luminescent center. A red shift is observed when increasing the wavelength of excitation. The NIR emission intensity increases linearly with the increase of excitation power. Based on absorption, emission and Raman spectra of the glasses melt at various temperatures, Te-2 clusters are suggested to be responsible for the NIR emission. (C) 2016 Elsevier B.V. All rights reserved.
引用
收藏
页码：76 / 79
页数：4
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