Efficient and Color-Tunable Oxyfluoride Solid Solution Phosphors for Solid-State White Lighting

被引:308
|
作者
Im, Won Bin [2 ,3 ,4 ]
George, Nathan [1 ]
Kurzman, Joshua [5 ]
Brinkley, Stuart [6 ]
Mikhailovsky, Alexander [5 ]
Hu, Jerry [7 ]
Chmelka, Bradley F. [1 ]
DenBaars, Steven P. [2 ,3 ]
Seshadri, Ram [2 ,3 ]
机构
[1] Univ Calif Santa Barbara, Dept Chem Engn, Santa Barbara, CA 93106 USA
[2] Univ Calif Santa Barbara, Solid State Lighting & Energy Ctr, Santa Barbara, CA 93106 USA
[3] Univ Calif Santa Barbara, Dept Mat, Santa Barbara, CA 93106 USA
[4] Chonnam Natl Univ, Sch Mat Sci & Engn, Kwangju 500757, South Korea
[5] Univ Calif Santa Barbara, Dept Chem & Biochem, Santa Barbara, CA 93106 USA
[6] Univ Calif Santa Barbara, Dept Elect & Comp Engn, Santa Barbara, CA 93106 USA
[7] Univ Calif Santa Barbara, Mat Res Lab, Santa Barbara, CA 93106 USA
基金
美国国家科学基金会;
关键词
CA-ALPHA-SIALON; LUMINESCENCE PROPERTIES; EMITTING PHOSPHOR; CRYSTAL-STRUCTURE; YELLOW PHOSPHORS; PHOTOLUMINESCENCE; CE3+; NANOCRYSTALS; SUBSTITUTION; ENHANCEMENT;
D O I
10.1002/adma.201003640
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
A solid solution strategy helps increase the efficiency of Ce3+ oxyfluoride phosphors for solid-state white lighting. The use of a phosphor-capping architecture provides additional light extraction. The accompanying image displays electroluminescence spectra from a 434-nm InGaN LED phosphor that has been capped with the oxyfluoride phosphor.
引用
收藏
页码:2300 / +
页数:7
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