Title
Preparation and luminescence of bulk oxyfluoride glasses doped with Ag nanoclusters Preparation and luminescence of bulk oxyfluoride glasses doped with Ag nanoclusters
Author
Faculty/Department
Faculty of Sciences. Physics
Publication type
article
Publication
Subject
Physics
Source (journal)
Optics express. - -
Volume/pages
18(2010) :21 , p. 22032-22040
ISSN
1094-4087
ISI
000283686500057
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
Bulk oxyfluoride glasses doped with Ag nanoclusters have been prepared using the melt quenching technique. When pumped in the absorption band of Ag nanoclusters between 300 to 500 nm, these glasses emit a very broad luminescence band covering all the visible range with a weak tail extending into the near infrared. The maximum of the luminescence band and its color shifts to the blue with a shortening of the excitation wavelength and an increasing ratio of oxide to fluoride components, resulting in white color luminescence at a particular ratio of oxide to fluoride; with a quantum yield above 20%.
Full text (open access)
https://repository.uantwerpen.be/docman/irua/948275/31efacaf.pdf
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