Luminescence studies on europium- and dysprosium-doped di-strontium magnesium silicate phosphor

Luminescence studies on europium- and dysprosium-doped di-strontium magnesium silicate phosphor Europium- and dysprosium-doped strontium magnesium silicate powder with different concentration ratios of dysprosium were synthesized using solid-state reaction. The XRD pattern confirmed the proper preparation of the sample. The prepared phosphors were characterized using photoluminescence excitation and emission spectra. Prominent blue color emission was obtained under ultraviolet excitation. The thermoluminescence (TL) glow curves of the sample were measured at various delay times. With increased delay time, the intensity of the TL peak decays and the position of the TL peak shifts towards a higher temperature, indicating the considerable retrapping associated with general order kinetics. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Research on Chemical Intermediates Springer Journals

Luminescence studies on europium- and dysprosium-doped di-strontium magnesium silicate phosphor

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Publisher
Springer Netherlands
Copyright
Copyright © 2013 by Springer Science+Business Media Dordrecht
Subject
Chemistry; Catalysis; Physical Chemistry; Inorganic Chemistry
ISSN
0922-6168
eISSN
1568-5675
D.O.I.
10.1007/s11164-013-1482-8
Publisher site
See Article on Publisher Site

Abstract

Europium- and dysprosium-doped strontium magnesium silicate powder with different concentration ratios of dysprosium were synthesized using solid-state reaction. The XRD pattern confirmed the proper preparation of the sample. The prepared phosphors were characterized using photoluminescence excitation and emission spectra. Prominent blue color emission was obtained under ultraviolet excitation. The thermoluminescence (TL) glow curves of the sample were measured at various delay times. With increased delay time, the intensity of the TL peak decays and the position of the TL peak shifts towards a higher temperature, indicating the considerable retrapping associated with general order kinetics.

Journal

Research on Chemical IntermediatesSpringer Journals

Published: Nov 30, 2013

References

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