Mn2+ luminescence in (Ce,Tb)MgAl11O19 phosphor

  • Junying Zhang*
  • , Zhongtai Zhang
  • , Zilong Tang
  • , Yuanhua Lin
  • *Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

(Ce0.67Tb0.33-x)MnxMgAl11O 19 phosphor was synthesized by a sol-gel process. The excitation spectra were characteristic of the Ce3+ cation, while the emission spectra consisted of lines from Tb3+ and Mn2+. Mn2+ ion gave green fluorescence band and concentration quenching occurred when x>0.09. By analyzing the crystal structure of the phosphor, a reasonable explanation is given for the optical properties of the phosphor.

Original languageEnglish
Pages (from-to)81-84
Number of pages4
JournalMaterials Chemistry and Physics
Volume72
Issue number1
DOIs
StatePublished - 1 Aug 2001
Externally publishedYes

Keywords

  • Hexagonal aluminates
  • Phosphors
  • Sol-gels

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