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Optics Letters

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  • Editor: Alan E. Willner
  • Vol. 34, Iss. 21 — Nov. 1, 2009
  • pp: 3427–3429

Rate-equation model for energy transfer between activators at different crystallographic sites in Sr 2 Si 5 N 8 : Eu 2 +

Kee-Sun Sohn, Bonghyun Lee, Rong-Jun Xie, and Naoto Hirosaki  »View Author Affiliations


Optics Letters, Vol. 34, Issue 21, pp. 3427-3429 (2009)
http://dx.doi.org/10.1364/OL.34.003427


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Abstract

The emission band of Sr 2 Si 5 N 8 : Eu 2 + phosphors consists of two peaks originating from two different crystallographic sites for Eu 2 + activators in the Sr 2 Si 5 N 8 structure. The two-peak emission behavior is closely related to the energy transfer between activators at those sites. A rate-equation model involving the crystallographic information of the host was used to quantify the time-resolved photoluminescence spectra and to systematically analyze the energy transfer behavior.

© 2009 Optical Society of America

OCIS Codes
(160.2540) Materials : Fluorescent and luminescent materials
(160.4670) Materials : Optical materials

ToC Category:
Materials

History
Original Manuscript: June 17, 2009
Revised Manuscript: September 1, 2009
Manuscript Accepted: September 24, 2009
Published: October 29, 2009

Citation
Kee-Sun Sohn, Bonghyun Lee, Rong-Jun Xie, and Naoto Hirosaki, "Rate-equation model for energy transfer between activators at different crystallographic sites in Sr2Si5N8:Eu2+," Opt. Lett. 34, 3427-3429 (2009)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-34-21-3427


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