Silver particles in glasses of the 'Ag2O-ZnO-P2O5' system

Ilias Belharouak, François Weill, Claude Parent, Gilles Le Flem, Bernard Moine

Research output: Contribution to journalArticle

45 Citations (Scopus)

Abstract

Silver particles of several sizes can be dispersed in glasses of the 'Ag2O-ZnO-P2O5' system. By introducing a small proportion of SiO2 or Al2O3 micron-sized silver particles are obtained in low silver content glass compositions whereas nanometer-sized particles precipitate in silver rich glasses. The particle-glass composites exhibit the classical absorption plasmon band peaking about 430 nm. The thermal variation of the peak full-width at half-maximum (FWHM) as the annealing temperature of the glass increases is analyzed by the Mie theory and corresponds to an increase of the particle radii from 11 to 30 nm. In composite glasses containing micrometric silver particles, time resolved luminescence spectroscopy reveals the formation of a new emitting center (Ag2)+ located in the vicinity of the silver particles and which can be considered as an intermediate step between Ag+-Ag+ pairs and silver metal in the process of silver precipitation.

Original languageEnglish
Pages (from-to)649-656
Number of pages8
JournalJournal of Non-Crystalline Solids
Volume293-295
Issue number1
DOIs
Publication statusPublished - 1 Nov 2001
Externally publishedYes

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phosphorus pentoxide
Silver
silver
Glass
glass
composite materials
Composite materials
Mie scattering
Full width at half maximum

ASJC Scopus subject areas

  • Ceramics and Composites
  • Electronic, Optical and Magnetic Materials

Cite this

Silver particles in glasses of the 'Ag2O-ZnO-P2O5' system. / Belharouak, Ilias; Weill, François; Parent, Claude; Le Flem, Gilles; Moine, Bernard.

In: Journal of Non-Crystalline Solids, Vol. 293-295, No. 1, 01.11.2001, p. 649-656.

Research output: Contribution to journalArticle

Belharouak, Ilias ; Weill, François ; Parent, Claude ; Le Flem, Gilles ; Moine, Bernard. / Silver particles in glasses of the 'Ag2O-ZnO-P2O5' system. In: Journal of Non-Crystalline Solids. 2001 ; Vol. 293-295, No. 1. pp. 649-656.
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