Near-ultraviolet light excited deep blue-emitting phosphor for solid-state lighting

Z. L. Wang*, Kok Wai CHEAH, Hoi Lam TAM, M. L. Gong

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

42 Citations (Scopus)

Abstract

BaMgAl10O17:Eu2+ (BAM) is one kind of commercial blue phosphor in fluorescent lamps, because of its efficient blue emission. A serial of phosphors BaMgAl10O17:0.1Eu2+ doped different H3BO3 concentration were prepared by solid-state reaction technique, and their photoluminescent properties were investigated. The introduction of H3BO3 broadens the excitation band of the phosphor BAM around 400 nm and enhances the emission intensity under 400 nm light excitation. The emission of the phosphor BAM doped with 6% H3BO3 has optimum blue emission, with good CIE (Commission Internationale de l'Eclairage, International Commission on Illumination) chromaticity coordinates x = 0.151, y = 0.058. Hence, the phosphor can be applied in fabrication of near-UV LED excited white light-emitting diode (LED).

Original languageEnglish
Pages (from-to)437-439
Number of pages3
JournalJournal of Alloys and Compounds
Volume482
Issue number1-2
DOIs
Publication statusPublished - 12 Aug 2009

Scopus Subject Areas

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

User-Defined Keywords

  • Blue phosphor
  • Light-emitting diodes
  • Photoluminescence

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