Two-color emitting of Eu2+ and Mn2+ co-doped Sr2Mg3P4O15 for UV LEDs

Chongfeng Guo*, Xu Ding, Lin Luan, Yan Xu

*Corresponding author for this work

Research output: Contribution to journalArticle

41 Citations (Scopus)

Abstract

The compound Sr2Mg3P4O15 singly and doubly doped with Eu2+ and Mn2+ was investigated. Phosphor Sr2Mg3P4O15:Eu2+, Mn2+ shows a broad blue emission band and a red emission band, which originates from the Eu2+ occupying the Sr2+ sites and the Mn2+ occupying the Mg2+ sites, respectively. The resonant type energy transfer from Eu2+ to Mn2+ was demonstrated, and the energy transfer efficiency was also calculated according to their PL spectra. Based on the principle of energy transfer, the PL intensity ratio of Eu2+ and Mn2+ could be appropriately tuned by adjusting the contents of activators. We also illuminated that the phosphor Sr2Mg3P4O15:Eu2+, Mn2+ could be used as a potential candidate for blue and red double color emitting phosphor in near-UV white light-emitting diodes (LEDs).

Original languageEnglish
Pages (from-to)712-715
Number of pages4
JournalSensors and Actuators, B: Chemical
Volume143
Issue number2
DOIs
Publication statusPublished - 7 Jan 2010

Keywords

  • Energy transfer
  • Light-emitting diode (LED)
  • Phosphor
  • Photoluminescence

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