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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Editor: Henry van Driel
  • Vol. 28, Iss. 4 — Apr. 1, 2011
  • pp: 709–713

Photoluminescence properties and analysis of spectral structure of R 2 ( MoO 4 ) 3 : Eu 3 + ( R = La , Gd ) phosphors

Zuoling Fu, Qi Wu, Wangda Gong, Liang Shi, Wenhao Li, and Zhenwen Dai  »View Author Affiliations


JOSA B, Vol. 28, Issue 4, pp. 709-713 (2011)
http://dx.doi.org/10.1364/JOSAB.28.000709


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Abstract

The site-selective excitation and emission spectroscopy and luminescence decay (lifetime) have been investigated in the D 0 5 F 0 7 region using a pulsed, tunable, and narrowband dye laser. We observed two crystallographic sites for Eu 3 + in La 2 ( MoO 4 ) 3 and one crystallographic site for Eu 3 + in Gd 2 ( MoO 4 ) 3 . The stark energy levels for Eu 3 + at different sites were assigned from site-selective emission spectra. The luminescent properties of the as- synthesized samples were also investigated, which showed strong lines at 395 nm in excitation spectra and intensive red emission, indicating that they could be used as red components for white LEDs.

© 2011 Optical Society of America

OCIS Codes
(250.5230) Optoelectronics : Photoluminescence
(300.6320) Spectroscopy : Spectroscopy, high-resolution

ToC Category:
Spectroscopy

History
Original Manuscript: November 23, 2010
Revised Manuscript: January 26, 2011
Manuscript Accepted: January 27, 2011
Published: March 11, 2011

Citation
Zuoling Fu, Qi Wu, Wangda Gong, Liang Shi, Wenhao Li, and Zhenwen Dai, "Photoluminescence properties and analysis of spectral structure of R2(MoO4)3:Eu3+ (R=La,Gd) phosphors," J. Opt. Soc. Am. B 28, 709-713 (2011)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-28-4-709

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