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The Influence of the Bismuth Concentration and Heat Treatment on the Properties of Bismuth-Containing High-Silica Glass: II. Luminescence Properties
- Source :
- Glass Physics and Chemistry. 45:98-103
- Publication Year :
- 2019
- Publisher :
- Pleiades Publishing Ltd, 2019.
-
Abstract
- The luminescence properties of bismuth-containing high-silica glass obtained after impregnating matrices of porous glass in nitrate solutions of bismuth nitrate pentahydrate for 24–48 h followed by heat treatment in the range from 400 to 890°C are studied. It is found that the concentration of Bi(NO3)3 in the impregnating solution affects the content of bismuth in the synthesized samples stronger than the duration of the impregnation and the temperature of the heat treatment. It is established that all the samples studied in this work have blue-green luminescence (λem = 420–520 nm at λexc = 300 nm) caused by the presence of Bi3+ ions. When the concentration of bismuth in the samples is increased a long-wavelength shift of the luminescence band maximum is observed. When the heat treatment temperature is increased a shortwave shift is observed. A yellow-orange luminescence with the maximum in the λem range of 576–582 nm (λexc = 480 nm) caused by the presence of Bi2+ ions is observed for the samples with a high bismuth content (1.17–1.18 wt % of Bi2O3) heat-treated in air at ~700 and 750°C.
- Subjects :
- 010302 applied physics
Materials science
chemistry.chemical_element
Porous glass
010403 inorganic & nuclear chemistry
Condensed Matter Physics
01 natural sciences
High silica
0104 chemical sciences
Bismuth
Ion
chemistry.chemical_compound
chemistry
Nitrate
0103 physical sciences
Materials Chemistry
Ceramics and Composites
Luminescence
Bismuth nitrate
Nuclear chemistry
Subjects
Details
- ISSN :
- 1608313X and 10876596
- Volume :
- 45
- Database :
- OpenAIRE
- Journal :
- Glass Physics and Chemistry
- Accession number :
- edsair.doi...........be65049c2b577e6bbd442c99711d4e78