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Luminescence of Er3+ ions in nanocrystalline glass-ceramics

AuthorsBalda, Rolindes ; Morea, Roberta ; Gonzalo, J. ; Fernández, Joaquín
KeywordsRadiative lifetime
Tellurite glass
Upconversion luminescence
Upconversion emission
Excited state absorption
Issue Date17-Feb-2017
PublisherSpringer Nature
CitationNano-Optics: Principles Enabling Basic Research and Applications: 301-317 (2017)
AbstractThis work analyzes the influence of the nanocrystals on the luminescence properties of Er3+ions in transparent oxyfluoride tellurite glass-ceramics obtained by heat treatment of the precursor Er-doped glass. The comparison between the fluorescence properties of Er-doped glass and glass-ceramic suggests that a fraction of Er3+ ions are forming nanocrystals while the rest remain in a glass environment. The presence of ErF3 nanocrystals has a strong effect in the upconverted red emission from4F9/2 level. The time evolution of the upconverted red emission shows that energy transfer upconversion processes are responsible for the increase of this emission in the glass-ceramic sample.
DescriptionPart of the NATO Science for Peace and Security Series B: Physics and Biophysics book series (NAPSB)
Publisher version (URL)https://doi.org/10.1007/978-94-024-0850-8_15
Identifiersdoi: 10.1007/978-94-024-0850-8_15
Appears in Collections:(CFMAC-IO) Libros y partes de libros
(CFM) Libros y partes de libros
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