Luminescence of the self-activated vanadate phosphors Na2LnMg2V3O12 (Ln=Y, Gd)

Dan Song, Chongfeng Guo*, Ting Li

*Corresponding author for this work

Research output: Contribution to journalArticle

38 Citations (Scopus)

Abstract

The self-activated yellow-green emitting garnet vanadate phosphors Na2LnMg2V3O12 (Ln=Y, Gd) were synthesized by a modified sol-gel method. The structure and phase purity of samples were verified through X-ray diffraction (XRD). The photoluminescence excitation (PLE) and emission (PL) spectra, luminescence lifetime, and temperature-dependent photoluminescence were also investigated. Due to its broadband excitation and emission spectra from charge transfer in the VO4 tetrahedron, as well as good thermal stability, Na2LnMg2V3O12 (Ln=Y, Gd) could be a potential yellow-emitting phosphor for the near-UV excited WLEDs or sunlight spectral modification phosphors for solar cells.

Original languageEnglish
Pages (from-to)6518-6524
Number of pages7
JournalCeramics International
Volume41
Issue number5
DOIs
Publication statusPublished - 1 Jun 2015
Externally publishedYes

Keywords

  • Luminescent properties
  • Self-activated
  • Vanadate garnet

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