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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 38, Iss. 6 — Mar. 15, 2013
  • pp: 884–886

Formation condition of red Ce3+ in Ca3Sc2Si3O12:Ce3+, N3− as a full-color-emitting light-emitting diode phosphor

Jun Qiao, Jiahua Zhang, Xia Zhang, Zhendong Hao, Wenyuan Deng, Yongfu Liu, Liangliang Zhang, Ligong Zhang, Haifeng Zhao, and Jian Lin  »View Author Affiliations


Optics Letters, Vol. 38, Issue 6, pp. 884-886 (2013)
http://dx.doi.org/10.1364/OL.38.000884


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Abstract

In this Letter, we study diffuse reflectance and photoluminescence spectra for O2 fully coordinated green-emitting Ce3+ and N3 partially coordinated red Ce3+ in Ca3Sc2Si3O12(CSS):Ce3+, N3 as a function of CeO2 and Si3N4 contents in the raw material. Our results indicate that the presence of N3 can enhance Ce3+ solubility in the form of red centers in CSS. At low Ce3+ concentration, green Ce3+ forms preferentially while red Ce3+ hardly forms even if N3 content in the raw material is sufficient. There exists a threshold concentration of green Ce3+; only beyond that can color tunable luminescence with enriched red emission be achieved. Energy transfer from green Ce3+ to red Ce3+ is also studied, as only the green Ce3+ is excited by blue light.

© 2013 Optical Society of America

OCIS Codes
(160.2540) Materials : Fluorescent and luminescent materials
(160.4670) Materials : Optical materials
(160.4760) Materials : Optical properties
(300.6280) Spectroscopy : Spectroscopy, fluorescence and luminescence

ToC Category:
Materials

History
Original Manuscript: December 18, 2012
Revised Manuscript: January 24, 2013
Manuscript Accepted: February 11, 2013
Published: March 12, 2013

Citation
Jun Qiao, Jiahua Zhang, Xia Zhang, Zhendong Hao, Wenyuan Deng, Yongfu Liu, Liangliang Zhang, Ligong Zhang, Haifeng Zhao, and Jian Lin, "Formation condition of red Ce3+ in Ca3Sc2Si3O12:Ce3+, N3− as a full-color-emitting light-emitting diode phosphor," Opt. Lett. 38, 884-886 (2013)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-38-6-884

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