Luminescent tin-doped phosphate glasses activated by carbon

José A. Jiménez

Research output: Contribution to journalArticlepeer-review

5 Scopus citations


This paper reports on the use of carbon powder together with tin(IV) oxide to produce rare earth-free blue-emitting phosphate glasses by melting in ambient atmosphere. While the as-prepared SnO2-doped glass was lacking in luminescent features, increasing amounts of graphite added to batch materials lead to developing the blue-emitting character of the glasses under excitation in the ultraviolet (UV). Upon addition of the highest amount of graphite at 2.0 wt%, the luminescence of carbon-induced defects became noticeable. Time-resolved UV-excited emission spectra appeared consistent with the different contributors to the exhibited luminescence being the twofold-coordinated tin centers alongside carbon-induced defects.

Original languageEnglish (US)
Pages (from-to)131-135
Number of pages5
JournalMaterials Research Bulletin
StatePublished - Apr 1 2017
Externally publishedYes


  • A. Glasses
  • A. Optical materials
  • B. Luminescence
  • B. Optical properties

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering


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