A novel full-color emission W-LED phosphor based on SrMg 2(PO 4) 2

Lin Luan, Chong Feng Guo*, Xu Ding

*Corresponding author for this work

Research output: Contribution to journalArticle

Abstract

A series of phosphor based on SrMg 2(PO 4) 2 were synthesized by solid state methods. And the phosphors were characterized by XRD and photo luminescent emission and excitation spectra. As Ca is substituted for Sr partly in SrMg 2(PO 4) 2:Eu 2+, Mn 2+ phosphor, its blue emission and red emission from Eu 2+ and Mn 2+, respectively, were found show a remarkable red and blue shift. On the other hand, as Tb 3+ with a green emission was introduced into the phosphor Sr 0.6Ca 0.4Mg 2 (PO 4) 2:Eu 2+, Mn 2+, a full color emitting phosphor was obtained. White emitting phosphors were also obtained for the Eu 2+ and Tb 3+ co-doped Sr 2(PO 4) 2 by adjusting the contents of two activators.

Original languageEnglish
Pages (from-to)52-56
Number of pages5
JournalGongneng Cailiao yu Qijian Xuebao/Journal of Functional Materials and Devices
Volume16
Issue number1
Publication statusPublished - Feb 2010

Keywords

  • Full-color
  • Phosphate
  • Phosphor
  • W-LED

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