文献类型：期刊文献

英文题名：Investigation of upconversion luminescence in Er3+/Yb3+co-doped Nb2O5-based glasses prepared by aerodynamic levitation method

作者：Zhang, Minghui[1];Wen, Haiqin[1];Yu, Jianding[1];Ai, Fei[1];Yu, Huimei[2];Pan, Xiuhong[1];Shao, Hui[3];Tang, Meibo[1];Gai, Lijun[1]

机构：[1]Chinese Acad Sci, Shanghai Inst Ceram, State Key Lab High Performance Ceram & Superfine, Shanghai 200050, Peoples R China;[2]East China Univ Sci & Technol, School Mat Sci & Engn, Shanghai 200237, Peoples R China;[3]Jiangsu Univ Sci & Technol, Sch Mat Sci & Engn, Zhenjiang 212003, Peoples R China

年份：2017

卷号：7

期号：9

起止页码：3222

外文期刊名：OPTICAL MATERIALS EXPRESS

收录：;EI(收录号：20173604116494);WOS:【SCI-EXPANDED(收录号:WOS:000408952600016)】；

基金：National Nature Science Foundation of China (No. 51602330, No. 51472263); Shanghai Sailing Program (16YF1413100); and National Key Research Program of China (2016YFF0101705).

语种：英文

外文关键词：Aerodynamics - Luminescence - Phonons - Infrared devices - Doping (additives) - Niobium oxide

摘要：The aerodynamic levitation method has been employed to fabricate Er3+/Yb3+ codoped Nb2O5-La2O3-Ta2O5 glasses. The maximum phonon energy is about 735 cm(-1) and the phonon density decreases with the increase of Yb3+. Small phonon density is favorable for upconversion luminescence. The absorption intensity at similar to 976 nm is improved by Yb3+. The glasses show high thermal stability and glass forming ability is enhanced by Yb3+. Green, red, and near infrared emissions are obtained and upconversion luminescence increases with Yb3+, which agrees well with the analysis of Raman and absorption spectra. As Yb3+ increases, the lifetime is enhanced. The results of lifetime measurement confirm the tendency of upconversion luminescence with Yb3+ ions. (C) 2017 Optical Society of America