Eu 3 + - activated silica prepared by the alkoxide sol–gel method

Eu 3 + - activated silica prepared by the alkoxide sol–gel method

For the preparation of europium(III) activated silica tetraethoxysilane and europium(III) chloride were used as precursors. Powders and monoliths were prepared. The products were characterized by thermal analysis, scanning electron microscopy, ultraviolet-visible absorption spectroscopy, fluorescenc...

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Hauptverfasser: Županc-Mežnar, Lea, Cerc-Korošec, R., Bukovec, P., Padežnik Gomilšek, J.
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creator Županc-Mežnar, Lea
Cerc-Korošec, R.
Bukovec, P.
Padežnik Gomilšek, J.
description For the preparation of europium(III) activated silica tetraethoxysilane and europium(III) chloride were used as precursors. Powders and monoliths were prepared. The products were characterized by thermal analysis, scanning electron microscopy, ultraviolet-visible absorption spectroscopy, fluorescence spectroscopy, cathodoluminescent measurements, and extended x-ray absorption fine structure (EXAFS) analysis. With EXAFS analysis we elucidated the environment of Eu 3+ ions in amorphous samples. The Eu–O distance was 0.248 nm in xerogel and 0.23–0.26 nm in the powder after heating.
doi_str_mv 10.1116/1.591337
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identifier ISSN: 0734-211X
ispartof Journal of Vacuum Science & Technology B: Microelectronics and Nanometer Structures, 2000, Vol.18 (2), p.1097-1100
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1071-1023
1520-8567
language eng
recordid cdi_scitation_primary_10_1116_1_591337
source AIP Journals Complete
title Eu 3 + - activated silica prepared by the alkoxide sol–gel method
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