期刊
OPTICS LETTERS
卷 34, 期 6, 页码 794-796出版社
OPTICAL SOC AMER
DOI: 10.1364/OL.34.000794
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- Information Display RD Center [F0004073-2008-31]
- 21st century Frontier RD
- WCU program
- Korea Evaluation Institute of Industrial Technology (KEIT) [F0004070-2009-32] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
- National Research Foundation of Korea [R31-2008-000-10022-0] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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
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