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Title: The size and structure of Ag particles responsible for surface plasmon effects and luminescence in Ag homogeneously doped bulk glass
Authors: Shestakov, Mikhail ×
Meledina, M
Turner, S
Tikhomirov, Victor
Verellen, Niels
Rodriguez, V. D
Velazquez, J. J
Van Tendeloo, G
Moshchalkov, Victor #
Issue Date: 15-Aug-2013
Publisher: American Institute of Physics
Series Title: Journal of Applied Physics vol:114 issue:7 pages:73102
Abstract: As-prepared and heat-treated oxyfluoride glasses, co-doped with Ag nanoclusters/nanoparticles, are prepared at 0.15 at. % Ag concentration. The as-prepared glass shows an absorption band in the UV/violet attributed to the presence of amorphous Ag nanoclusters with an average size of 1.1 nm. The luminescence spectra of the untreated glass can also be ascribed to these Ag nanoclusters. Upon heat-treatment, the clusters coalesce into Ag nanoparticles with an average size of 2.3 nm, and the glasses show an extra surface plasmon absorption band in the visible. These particles, however, cease to emit due to ascribing plasmonic properties of bulk silver.
ISSN: 0021-8979
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Solid State Physics and Magnetism Section
× corresponding author
# (joint) last author

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