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Novel inorganic xerogels doped with CaWO 4 :xDy: Synthesis, characterization and luminescence properties
Abstract
A series of novel phosphors based on silica xerogel doped with CaWO4:xDy(III) with various concentration of dysprosium ion was synthesized over a temperature of 800 C. The thermal analysis, XRD measurement and spectroscopic investigations of these materials are presented in this study. Steady state luminescence, luminescence excitation spectra as well as emission spectra have been measured. Under the ultraviolet light, the prepared phosphors show characteristic blue and yellow bands which correspond to 4F9/2 / 6H15/2 and 4F9/2 / 6H13/2 transitions of Dy3þ ion, respectively. The concentration quenching effect occurs when the Dy3þ concentration is x ¼ 0.1. We also present the possibility to increase the emission intensity of Dy(III) doped CaWO4 incorporated into silica xerogel as a result of its interaction with surface plasmons created by silver nanoparticles.
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Authors (8)
-
Beata Grobelna
- Uniewrsytet Gdański Wydział Chemi
-
Anna Synak
- Uniewrsytet Gdański Wydział Matematyki, Fizyki i Informatyki,
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Dorota Głowaty
- Uniewrsytet Gdański Wydział Chemi
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Piotr Bojarski
- Uniewrsytet Gdański Wydział Matematyki, Fizyki i Informatyki,
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Elżbieta Szczepańska
- Uniewrsytet Gdański Wydział Chemi
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Ignacy Gryczynski
- University of North Texas
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Details
- Category:
- Articles
- Type:
- artykuł w czasopiśmie wyróżnionym w JCR
- Published in:
-
MATERIALS CHEMISTRY AND PHYSICS
no. 199,
pages 166 - 172,
ISSN: 0254-0584 - Language:
- English
- Publication year:
- 2017
- Bibliographic description:
- Grobelna B., Synak A., Głowaty D., Bojarski P., Szczepańska E., Szczodrowski K., Gryczynski I., Karczewski J.: Novel inorganic xerogels doped with CaWO 4 :xDy: Synthesis, characterization and luminescence properties// MATERIALS CHEMISTRY AND PHYSICS. -Vol. 199, (2017), s.166-172
- DOI:
- Digital Object Identifier (open in new tab) 10.1016/j.matchemphys.2017.07.005
- Verified by:
- Gdańsk University of Technology
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