Photoluminescent and decay behaviors of Mn2+ and Ce3+ coactivated MgSiN2 phosphors for use in light-emitting-diode applications

被引：48

作者：

Kulshreshtha, Chandramouli ^{[1
]}

Kwak, Jong Ho ^{[1
]}

Park, Young-Jo ^{[2
]}

Sohn, Kee-Sun ^{[1
]}

机构：

[1] Sunchon Natl Univ, Dept Mat Sci & Met Engn, Chungnam 540742, South Korea

[2] Korea Inst Mat Sci, Engn Ceram Res Grp, Gyeongnam 641831, South Korea

来源：

OPTICS LETTERS | 2009年 / 34卷 / 06期

关键词：

LUMINESCENCE PROPERTIES; ENERGY-TRANSFER; M2SI5N8; M; SR; CA;

D O I：

10.1364/OL.34.000794

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We examined the photoluminescent behaviors of MgSiN2:Mn2+ and MgSiN2:Ce3+, Mn2+ phosphors for use in white-light-emitting diodes. The red emission from MgSiN2:Mn2+ phosphors consisted of two Gaussian components, P1 from a single Mn2+, ion and P2 from either Mn2+, pairs or clusters. Decay analysis based on the Yokota and Tanimoto equation identified long decay for P1 and fast decay for P2. Most importantly, Ce3+ codoping enhanced Mn2+ emission intensity; in particular, emission at 460 nm excitations was promoted by the Ce3+ codoping. (C) 2009 Optical Society of America

引用

页码：794 / 796

页数：3

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