Blue-emitting Eu-doped (Sr, Mg)5(PO4)3Cl phosphor particles prepared by spray pyrolysis from the spray solution containing ammonium chloride

Hye Young Koo, Jin Man Han, Yun Chan Kang

Research output: Contribution to journalArticle

Abstract

Blue-emitting strontium magnesium halophosphate phosphor particles were prepared by spray pyrolysis from the spray solutions with ammonium chloride. The ammonium chloride was used as the source of chlorine and the flux material. The prepared (Sr, Mg)5(PO4)3Cl: Eu2+ phosphor particles had regular morphologies and fine sizes. The mean sizes of the (Sr, Mg)5(PO4)3Cl: Eu2+ phosphor particles were each 1.2 and 1.9 μn when the ratios of strontium to chlorine components were 1 : 0.5 and 1 : 1. The ratios of strontium to chlorine components in the as-prepared and post-treated particles were each 1 : 0.26 and 1 : 0.21. The (Sr, Mg)5(PO4)3Cl: Eu 2+ phosphor particles that were prepared from the spray solution with the ratio of strontium to chlorine components of 1 : 1.5 had the maximum photoluminescence intensity, which was 176% of that of the commercial BaMgAl10O17 : Eu2+ phosphor particles under excitation wavelength of 400 nm.

Original languageEnglish
Pages (from-to)955-959
Number of pages5
JournalJournal of the Ceramic Society of Japan
Volume115
Issue number1348
DOIs
Publication statusPublished - 2007 Jan 1
Externally publishedYes

Fingerprint

Ammonium Chloride
ammonium chlorides
Spray pyrolysis
Strontium
Phosphors
phosphors
Chlorine
pyrolysis
sprayers
strontium
chlorine
Magnesium
Photoluminescence
magnesium
Fluxes
Wavelength
photoluminescence
wavelengths
excitation

Keywords

  • Flux material
  • Optical materials
  • Optical properties
  • Spray pyrolysis

ASJC Scopus subject areas

  • Ceramics and Composites
  • Chemistry(all)
  • Condensed Matter Physics
  • Materials Chemistry

Cite this

Blue-emitting Eu-doped (Sr, Mg)5(PO4)3Cl phosphor particles prepared by spray pyrolysis from the spray solution containing ammonium chloride. / Koo, Hye Young; Han, Jin Man; Kang, Yun Chan.

In: Journal of the Ceramic Society of Japan, Vol. 115, No. 1348, 01.01.2007, p. 955-959.

Research output: Contribution to journalArticle

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AB - Blue-emitting strontium magnesium halophosphate phosphor particles were prepared by spray pyrolysis from the spray solutions with ammonium chloride. The ammonium chloride was used as the source of chlorine and the flux material. The prepared (Sr, Mg)5(PO4)3Cl: Eu2+ phosphor particles had regular morphologies and fine sizes. The mean sizes of the (Sr, Mg)5(PO4)3Cl: Eu2+ phosphor particles were each 1.2 and 1.9 μn when the ratios of strontium to chlorine components were 1 : 0.5 and 1 : 1. The ratios of strontium to chlorine components in the as-prepared and post-treated particles were each 1 : 0.26 and 1 : 0.21. The (Sr, Mg)5(PO4)3Cl: Eu 2+ phosphor particles that were prepared from the spray solution with the ratio of strontium to chlorine components of 1 : 1.5 had the maximum photoluminescence intensity, which was 176% of that of the commercial BaMgAl10O17 : Eu2+ phosphor particles under excitation wavelength of 400 nm.

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