The reported anomalous emission intensity of the 5D07F4 transition of Eu3+ in a molybdate double perovskite

Wai Lun Chan, Zhenyu Liu, Shengbo Lu, Peter A. Tanner*, Ka-Leung WONG

*Corresponding author for this work

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8 Citations (Scopus)


The assigned anomalous upconversion emission intensity of the 5D07F4 transition of Eu3+ in the double perovskite Sr2Ca(W1-xMox)O6 co-doped with Yb3+ is shown to be due to a transition metal impurity present in the MoO3 starting material. Relevant literature shows that the highest energy 5D07F4 transition is at a longer wavelength than 685 nm in molybdates. Cases of anomalous intensity of this transition are reviewed. Our 360 nm excited emission spectra of Sr2Ca0.88-Eu0.02Yb0.04Li0.06MoO6 show a very weak 5D07F4 transition, but on co-doping with Mn a structured band between 640 and 710 nm is observed due to Mn4+.

Original languageEnglish
Pages (from-to)960-963
Number of pages4
JournalJournal of Materials Chemistry C
Issue number5
Publication statusPublished - 7 Feb 2015

Scopus Subject Areas

  • Chemistry(all)
  • Materials Chemistry


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