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Optical Materials Express

Optical Materials Express

  • Editor: David J. Hagan
  • Vol. 3, Iss. 3 — Mar. 1, 2013
  • pp: 418–425

Luminescence properties of lutetium based red-emitting phosphor NaLu(WO4)2:Eu3+

Zijun Wang, Jiuping Zhong, Hongbin Liang, and Jing Wang  »View Author Affiliations

Optical Materials Express, Vol. 3, Issue 3, pp. 418-425 (2013)

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The compounds containing lutetium and tungsten atoms have large effective atomic number (Zeff) and high stopping ability for high energy radiation because both lutetium and tungsten atoms are heavy with large atomic number. In order to obtain a new red-emitting phosphor with high efficiency for X-ray detection, the trivalent europium ion (Eu3+) activated alkaline double tungstate phosphor NaLu(WO4)2:Eu3+ was prepared by high temperature solid state reaction. The crystalline structures of synthesized phosphor were determined by powder X-ray diffraction (XRD) and elucidated using Topas Academic software, and the morphologies were characterized by thermal field emission scanning electron microscopy (SEM) combined with energy-dispersive X-ray spectroscopy (EDS). The Rietveld structural refinement results suggest that the cell parameters become larger with the increasing of Eu3+ doping concentration. The emission spectra of NaLu(WO4)2:Eu3+ under UV and X-ray radiation were measured, respectively. It was observed that this micro-particle phosphor shows intensive red emission under X-ray radiation, which implies that NaLu(WO4)2:Eu3+ phosphor has potential application for X-ray detection.

© 2013 OSA

OCIS Codes
(160.0160) Materials : Materials
(160.2540) Materials : Fluorescent and luminescent materials
(160.5690) Materials : Rare-earth-doped materials
(250.5230) Optoelectronics : Photoluminescence

ToC Category:
Fluorescent and Luminescent Materials

Original Manuscript: January 7, 2013
Revised Manuscript: February 13, 2013
Manuscript Accepted: February 15, 2013
Published: February 22, 2013

Zijun Wang, Jiuping Zhong, Hongbin Liang, and Jing Wang, "Luminescence properties of lutetium based red-emitting phosphor NaLu(WO4)2:Eu3+," Opt. Mater. Express 3, 418-425 (2013)

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