Preparation and luminescent properties of Eu2+ doped Sr3La(PO4)3 phosphor

► The M3Ln(PO4)3 (M = alkali-earth element or Pb; Ln = rare earth, Bi or transition metal) compounds have been considered to be efficient host materials for phosphor, laser and plasma display panels. ► No paper has been published on the preparation of divalent rare earth ions activated Sr3La(PO4)3 phosphors. ► Eu2+ ions occupy two different Sr2+ sites in Sr3La(PO4)3 lattice and form two kinds of luminescent centers. As the Eu2+ doping concentration increasing, it likely to form purple emission centers and emits blue light.