Carbon-driven synthesis of bi-plasmonic Ag-Cu nanocomposite phosphate glasses

José A. Jiménez

Research output: Contribution to journalArticle

Abstract

A simple method for the synthesis of Ag-Cu co-doped phosphate glasses displaying dual plasmon resonances is reported. The effective preparation is carried out by melting and heat treatment processes (ambient atmosphere) employing Ag2O and CuO as metal nanoparticle precursors alongside carbon powder as reductant. Melt-quenched material shows optical absorption features characteristic of discrete silver and copper nanoclusters, while the photoluminescence is dominated by monovalent copper. Further thermal processing results in the development of a broad, extended bi-metallic plasmonic absorption. It is primarily influenced by silver nanoparticles, and appears consistent with the precipitation of the metals individually. The facile approach paves the way for further research on glasses with enhanced plasmonic properties.

Original languageEnglish (US)
Pages (from-to)518-521
Number of pages4
JournalMaterials Chemistry and Physics
Volume205
DOIs
StatePublished - Feb 1 2018
Externally publishedYes

Fingerprint

Silver
Copper
Nanocomposites
nanocomposites
phosphates
Phosphates
Carbon
silver
Glass
copper
nanoparticles
glass
Metal nanoparticles
Nanoclusters
carbon
Reducing Agents
synthesis
nanoclusters
Powders
metals

Keywords

  • Glasses
  • Optical materials
  • Surface plasmon resonance

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics

Cite this

Carbon-driven synthesis of bi-plasmonic Ag-Cu nanocomposite phosphate glasses. / Jiménez, José A.

In: Materials Chemistry and Physics, Vol. 205, 01.02.2018, p. 518-521.

Research output: Contribution to journalArticle

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