Luminescence properties of M2Si5N8:Ce3+ (M = Ca, Sr, Ba) mixed nitrides prepared by metal hydrides as starting materials

被引：7
|
作者：
Kuramoto, Daiki [1 ]
Kim, Hyo Sung [1 ]
Horikawa, Takashi [1 ]
Itoh, Masahiro [1 ]
Machida, Ken-ichi [1 ]
机构：
[1] Osaka Univ, Grad Sch Engn, Div Appl Chem, Suita, Osaka 5650871, Japan
来源：
INTERNATIONAL SYMPOSIUM ON MATERIALS SCIENCE AND INNOVATION FOR SUSTAINABLE SOCIETY: ECO-MATERIALS AND ECO-INNOVATION FOR GLOBAL SUSTAINABILITY (ECO-MATES 2011) | 2012年 / 379卷
关键词：
CRYSTAL-STRUCTURE; PHOTOLUMINESCENCE PROPERTIES; SIALON; FLUORESCENCE; SILICATES; EU2+;
D O I：
10.1088/1742-6596/379/1/012015
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Mixed metal nitrides, M2Si5N8:Ce3+ (M = Ca, Sr, Ba), were synthesized from M2-yCeySi5 or an appropriate mixture of MSiHx, Si3N4 and CeF3, by a direct nitriding process in N-2 gas: 2 MSiHx + Si3N4 + CeF3 -> M2Si5N8:Ce3+. Also, charge-compensated materials, M2AlzSi5-zN8:Ce3+, were prepared (from an appropriate mixture of MSiHx, MAlSiHx, Si3N4 and CeF3) and the luminescence properties were characterized. The resultant phosphors showed green emission suitable for LED illumination by optimizing the mixing ratio of metal elements.
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页数：5
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