Synthesis of Eu2+-Activated MYSi4N7 (M=Ca,Sr,Ba) and SrYSi4-xAlxN7-xOx (x=0-1) Green Phosphors by Carbothermal Reduction and Nitridation

被引：39
|
作者：
Kurushima, Tomoyuki [1 ]
Gundiah, Gautam [2 ,3 ]
Shimomura, Yasuo [1 ]
Mikami, Masayoshi [1 ]
Kijima, Naoto [1 ]
Cheetham, Anthony K. [2 ,4 ]
机构：
[1] Sci & Technol Res Ctr Inc, Mitsubishi Chem Grp, Kanagawa 2278502, Japan
[2] Univ Calif Santa Barbara, Mat Res Lab, Mitsubishi Chem Ctr Adv Mat, Santa Barbara, CA 93106 USA
[3] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Life Sci, Berkeley, CA 94720 USA
[4] Univ Cambridge, Dept Mat Sci & Met, Cambridge CB2 3QZ, England
来源：
JOURNAL OF THE ELECTROCHEMICAL SOCIETY | 2010年 / 157卷 / 03期
基金：
美国国家科学基金会;
关键词：
aluminium compounds; barium compounds; calcium compounds; europium compounds; light emitting diodes; materials preparation; nitridation; phosphors; photoluminescence; quenching (thermal); reduction (chemical); silicon compounds; strontium compounds; yttrium compounds; LED CONVERSION PHOSPHORS; CA-ALPHA-SIALON; LUMINESCENCE PROPERTIES; PHOTOLUMINESCENCE PROPERTIES; INORGANIC-COMPOUNDS; CRYSTAL-STRUCTURE; BETA-SIALON; EARTH; SR; BA;
D O I：
10.1149/1.3276677
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
Rare-earth-activated nitride phosphors, (M,Eu)YSi4N7 (M=Ca,Sr,Ba) and (Sr,Eu)YSi4-xAlxN7-xOx (x=0-1), were synthesized by carbothermal reduction and nitridation. The phosphors show green photoluminescence under excitation with near-UV light and have a potential use for color conversion in white light-emitting diodes. The characterization of the structure, morphology, luminescence, and thermal quenching of the green phosphors is presented.
引用
收藏
页码：J64 / J68
页数：5
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