Open AccessOn the origin of near-IR luminescence in Bi-doped materials (II) Subvalent monocation Bi^+ and cluster Bi_5 ^3+ luminescence in AlCl_3/ZnCl_2/BiCl_3 chloride glass
Author(s) -
A. N. Romanov,
З. Т. Фаттахова,
Alexander Veber,
O. V. Usovich,
E. V. Haula,
В. Н. Корчак,
В. Б. Цветков,
Lev A. Trusov,
П. Е. Казин,
В. Б. Сулимов
Publication year - 2012
Publication title -
optics express
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.394
H-Index - 271
ISSN - 1094-4087
DOI - 10.1364/oe.20.007212
Subject(s) - bismuth , luminescence , photoluminescence , materials science , doping , inorganic chemistry , optoelectronics , chemistry , metallurgy
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⁺ , Bi₂⁴⁺, and Bi₅³⁺ ions. The physical and optical characteristics of these centers and possible contribution to NIR luminescence from bismuth-doped oxide glasses are discussed.