Preparation and near-infrared luminescence properties of Bi2O3-B2O3-BaO glasses

被引：2
|
作者：
Liu Jun-Fang [1 ,2 ]
Su Liang-Bi [3 ]
Xu Jun [3 ]
机构：
[1] Tongji Univ, Coll Mat Sci & Engn, Shanghai 200092, Peoples R China
[2] Tongji Univ, Key Lab Adv Civil Engn Mat, Minist Educ, Shanghai 200092, Peoples R China
[3] Chinese Acad Sci, Shanghai Inst Ceram, Key Lab Transparent & Optofunct Inorgan Mat, Shanghai 201800, Peoples R China
来源：
ACTA PHYSICA SINICA | 2013年 / 62卷 / 03期
基金：
中国国家自然科学基金;
关键词：
near infrared emission; Bi ions; non-bridging oxygen; BROAD-BAND EMISSION; SPECTROSCOPIC PROPERTIES; OPTICAL AMPLIFICATION; BISMUTH; CENTERS; ORIGIN; NM;
D O I：
10.7498/aps.62.037804
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
xBi(2)O(3)-50B(2)O(3)-(50 - x)BaO glasses are prepared by melting method. Their infrared luminescence spectra, fluorescence decay curves and Raman scattering spectra are measured. No obvious near-infrared (NIR) luminescence is observed in 50Bi(2)O(3)-50B(2)O(3) glass under 808 nm laser diode (LD) pumping. Adding BaO, broadband NIR luminescences are observed in 40Bi(2)O(3)-50B(2)O(3)-10BaO glass, 45Bi(2)O(3)-50B(2)O(3)-5BaO glass and 49Bi(2)O(3)-50B(2)O(3)-1BaO glass. With the increase of BaO concentration, no obvious NIR luminescences are observed in 30Bi(2)O(3)-50B(2)O(3)-20BaO glass, 20Bi(2)O(3)-50B(2)O(3)-30BaO glass and 10Bi(2)O(3)-50B(2)O(3)-40BaO glass. The NIR emissions with several emission peaks appear in 0.5Bi(2)O(3)-50B(2)O(3)-50BaO glass and 1Bi(2)O(3)-50B(2)O(3)-50BaO glass. The mechanism for the emission is investigated preliminarily.
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页数：6
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