| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 1489495 | Materials Research Bulletin | 2013 | 6 Pages |
Ca(8−y)MnyNaGd(1−x)Cex(PO4)6F2 (CNGF: xCe3+, yMn2+) (0 ≤ x ≤ 0.05, 0 ≤ y ≤ 0.16) phosphors were synthesized by solid state reaction. The crystal structure was determined to be apatite-type by XRD refinement. The PLE and PL spectra showed that the energy transfer occurs between Gd3+ to Mn2+ and Ce3+ to Mn2+. And the energy transfer efficiency from Gd3+ to Mn2+ and Ce3+ to Mn2+ in CNGF had been analyzed. The research result revealed that the electric dipole–quadrupole interaction predominates in energy transfer mechanism from Ce3+ to Mn2+ in CNGF. The corresponding CIE coordinates revealed that CNGF: 0.02Ce3+, yMn2+ could be a good yellow phosphor.
Graphical abstractFigure optionsDownload full-size imageDownload as PowerPoint slideHighlights► Structure of CNGF is investigated by XRD refinement. ► Effective energy transfer was found from Gd3+–Mn2+ and Ce3+–Mn2+ in CNGF. ► The energy transfer mechanism from Ce3+ to Mn2+ in CNGF is investigated.
