The enhancement of photoluminescence characteristics of Eu-doped barium strontium silicate phosphor particles by co-doping materials

Hee Sang Kang, Seung Kwon Hong, Yun Chan Kang, Kyeong Youl Jung, Yong Gun Shul, Seung Bin Park

Research output: Contribution to journalArticle

31 Citations (Scopus)

Abstract

Green light emitting (Ba,Sr)2SiO4:Eu phosphor particles with high photoluminescence intensity under long wavelength ultraviolet (UV) were prepared by spray pyrolysis from colloidal spray solution. Yttrium, cerium and holmium components were introduced as co-doping materials to improve the photoluminescence characteristics of (Ba,Sr)2SiO 4:Eu phosphor particles in the spray pyrolysis. The photoluminescence intensities of co-doped (Ba,Sr)2SiO4:Eu phosphor particles were about 120∼143% of (Ba,Sr)2SiO4:Eu phosphor particles without co-dopant. The highest photoluminescence intensity was achieved when the doping concentration of yttrium was about 1.7 times of the doping concentration of europium. The photoluminescence intensity of the sieved phosphor particles using 20 μm sieve was comparable to that of the original (Ba,Sr)2SiO4:Eu phosphor particles.

Original languageEnglish
Pages (from-to)246-250
Number of pages5
JournalJournal of Alloys and Compounds
Volume402
Issue number1-2
DOIs
Publication statusPublished - 2005 Oct 27

All Science Journal Classification (ASJC) codes

  • Mechanics of Materials
  • Mechanical Engineering
  • Metals and Alloys
  • Materials Chemistry

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