On the origin of near-IR luminescence in Bi-doped materials (II). Subvalent monocation Bi+ and cluster Bi53+ luminescence in AlCl3/ZnCl2/BiCl3 chloride glass

被引:86
|
作者
Romanov, Alexey N. [1 ,2 ]
Fattakhova, Zukhra T. [3 ]
Veber, Alexander A. [4 ]
Usovich, Olga V. [5 ]
Haula, Elena V. [3 ]
Korchak, Vladimir N. [3 ]
Tsvetkov, Vladimir B. [4 ]
Trusov, Lev A. [5 ]
Kazin, Pavel E. [5 ]
Sulimov, Vladimir B. [1 ,2 ]
机构
[1] Moscow MV Lomonosov State Univ, Ctr Res Comp, Moscow 119992, Russia
[2] Dimonta Ltd, Moscow 117186, Russia
[3] Russian Acad Sci, NN Semenov Inst Chem Phys, Moscow 119991, Russia
[4] Russian Acad Sci, AM Prokhorov Gen Phys Inst, Moscow 119991, Russia
[5] Moscow MV Lomonosov State Univ, Dept Chem, Moscow 119991, Russia
来源
OPTICS EXPRESS | 2012年 / 20卷 / 07期
关键词
MOLTEN BISMUTH TRIHALIDES; LOWER OXIDATION-STATES; BROAD-BAND EMISSION; INFRARED PHOTOLUMINESCENCE; CRYSTAL-STRUCTURE; BI-6(2+) POLYCATIONS; BI-2(4+) DUMBBELLS; DILUTE-SOLUTIONS; SPECTRA; METAL;
D O I
10.1364/OE.20.007212
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
Broadband NIR photoluminescence (from 1000 to 2500 nm) was observed from partially reduced AlCl3/ZnCl2/BiCl3 glass, containing subvalent bismuth species. The luminescence consists of three bands, assigned to Bi+, Bi-2(4+), and Bi-5(3+) ions. The physical and optical characteristics of these centers and possible contribution to NIR luminescence from bismuth-doped oxide glasses are discussed. (C) 2012 Optical Society of America
引用
收藏
页码:7212 / 7220
页数:9
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