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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 16, Iss. 10 — May. 12, 2008
  • pp: 7508–7515

Intensive emission of Dy3+ in NaGd(PO3)4 for Hg-free lamps application

Jiuping Zhong, Hongbin Liang, Bing Han, Zifeng Tian, Qiang Su, and Ye Tao  »View Author Affiliations


Optics Express, Vol. 16, Issue 10, pp. 7508-7515 (2008)
http://dx.doi.org/10.1364/OE.16.007508


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Abstract

The phosphor NaGd(PO3)4:Dy3+ was synthesized by solid-state reaction technique at high temperature. The vacuum ultraviolet (VUV)-UV excitation spectra and visible emission spectra under VUV/UV excitation were investigated. The sample NaGd(PO3)4:Dy3+ showed suitable spectroscopic characteristics such as broad and strong absorption around 172 nm, intensive emission with the chromaticity coordinates (0.33, 0.38) in warm-white light region. Additionally, this efficient white-emitting phosphor is activated by a single Dy3+ ion and with a lower preparation temperature, which tend to decrease the consumption of rare earth resource and energy. Therefore, the phosphor NGP:Dy3+ may be considered as a suitable candidate for Hg-free lamps application.

© 2008 Optical Society of America

OCIS Codes
(160.2540) Materials : Fluorescent and luminescent materials
(250.5230) Optoelectronics : Photoluminescence
(300.6280) Spectroscopy : Spectroscopy, fluorescence and luminescence

ToC Category:
Materials

History
Original Manuscript: February 26, 2008
Revised Manuscript: April 16, 2008
Manuscript Accepted: April 16, 2008
Published: May 9, 2008

Citation
Jiuping Zhong, Hongbin Liang, Bing Han, Zifeng Tian, Qiang Su, and Ye Tao, "Intensive emission of Dy3+ in NaGd(PO3)4 for Hg-free lamps application," Opt. Express 16, 7508-7515 (2008)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-16-10-7508


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