Eu2+-doped Thioaluminates: New Candidates for White LEDs
Eu2+-doped Thioaluminates: New Candidates for White LEDs
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DOI：
10.1246/cl.2008.410
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发表时间：
2008-03
影响因子：
1.6
通讯作者：
Ruijin Yu;Jing Wang;Xinmin Zhang;Hai-bin Yuan;Jianhui Zhang;Q. Su
中科院分区：
文献类型：
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作者：
Ruijin Yu;Jing Wang;Xinmin Zhang;Hai-bin Yuan;Jianhui Zhang;Q. Su
采用真空密封石英管法合成了三种不同发光颜色的Eu 2+掺杂硫代铝酸盐荧光粉：绿色、蓝-绿色和蓝色。在紫外光激发下，CaAl 2S 4：Eu 2+（CAS）、SrAl 2S 4：Eu 2+（SAS）和BaAl 2S 4：Eu 2+（BAS）分别在516、496和470 nm处有较强的发射带.制造的CAS、SAS和BAS的LED显示出强烈的绿色、带蓝色的绿色和蓝色照明。它们都被认为是用于在磷光体转换的白色LED中产生白色光的良好磷光体候选物。
Three Eu 2+ -doped thioaluminate phosphors with different light-emitting colors, green, bluish-green, and blue were synthesized by the evacuated sealed quartz ampoule method. Under UV excitation, CaAl 2 S 4 :Eu 2+ (CAS), SrAl 2 S 4 :Eu 2+ (SAS), and BaAl 2 S 4 :Eu 2+ (BAS) exhibit strong emission bands peaked at 516, 496, and 470 nm, respectively. The fabricated LEDs of CAS, SAS, and BAS show intense green, bluish-green, and blue lighting. They are all believed to be good phosphor candidates for creating white light in phosphor-converted white LEDs.