Articles
  • Title Synthesis and photoluminescence properties of Mn2+ co-doped white emitting (Sr,Sn)ZnP2O7 phosphor 
  • Sun Woog Kima, Takuya Hasegawaa, Hiroyuki Yumotob, Tadashi Ishigakia, Kazuyoshi Uematsub, Kenji Todaa,* and Mineo Satob
  • a Graduate School of Science and Technology, Niigata University, 8050 Ikarashi 2-nocho, Niigata 950-2181, Japan b Department of Chemistry and Chemical Engineering, Niigata University, 8050 Ikarashi 2-nocho, Niigata 950-2181, Japan
Abstract
Rare earth-free white emitting (Sr,Sn)(Zn,Mn)P2O7 phosphors were synthesized in a single phase form by a conventional solid-state reaction method and photoluminescent properties were characterized. These phosphors showed three broad band in emission spectra at 340, 440, and 690 nm, and the ratio of emission intensity between blue-green light and red light changes with Mn2+ content increasing because of energy transfer from Sn2+ to Mn2+. The emission color of the phosphors varied from blue-white to orange-white with the increase in the Mn2+ content and the emission color of the (Sr0.90Sn0.10)(Zn0.97Mn0.03)P2O7 phosphor was very close to white light.

Keywords: Rare earth free phosphor; White emission; SrZnP2O7

This Article

  • 2014; 15(3): 177-180

    Published on Jun 30, 2014