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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 34, Iss. 6 — Mar. 15, 2009
  • pp: 794–796

Photoluminescent and decay behaviors of Mn 2 + and Ce 3 + coactivated Mg Si N 2 phosphors for use in light-emitting-diode applications

Chandramouli Kulshreshtha, Jong Ho Kwak, Young-Jo Park, and Kee-Sun Sohn  »View Author Affiliations

Optics Letters, Vol. 34, Issue 6, pp. 794-796 (2009)

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We examined the photoluminescent behaviors of Mg Si N 2 : Mn 2 + and Mg Si N 2 : Ce 3 + , Mn 2 + phosphors for use in white-light-emitting diodes. The red emission from Mg Si N 2 : Mn 2 + phosphors consisted of two Gaussian components, P1 from a single Mn 2 + ion and P2 from either Mn 2 + pairs or clusters. Decay analysis based on the Yokota and Tanimoto equation identified long decay for P1 and fast decay for P2. Most importantly, Ce 3 + codoping enhanced Mn 2 + emission intensity; in particular, emission at 460 nm excitations was promoted by the Ce 3 + codoping.

© 2009 Optical Society of America

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

ToC Category:

Original Manuscript: November 20, 2008
Revised Manuscript: January 21, 2009
Manuscript Accepted: January 23, 2009
Published: March 11, 2009

Chandramouli Kulshreshtha, Jong Ho Kwak, Young-Jo Park, and Kee-Sun Sohn, "Photoluminescent and decay behaviors of Mn2+ and Ce3+ coactivated MgSiN2 phosphors for use in light-emitting-diode applications," Opt. Lett. 34, 794-796 (2009)

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