White light emission from a blue polymer light emitting diode combined with YAG: Ce3+ nanoparticles

被引：7
|
作者：
Oliva, Jorge [1 ]
De la Rosa, Elder [1 ]
Diaz-Torres, Luis [1 ]
Zakhidov, Anvar [2 ]
机构：
[1] Ctr Invest Opt, Leon 37160, Mexico
[2] Univ Texas Dallas, NanoTech Inst, Richardson, TX 75083 USA
来源：
PHYSICA STATUS SOLIDI A-APPLICATIONS AND MATERIALS SCIENCE | 2014年 / 211卷 / 03期
关键词：
cerium; nanoparticles; organic light emitting diodes; white light; YAG; GENERATION; DEVICES;
D O I：
10.1002/pssa.201330346
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
It is reported the white light emission from a hybrid polymer light emitting diode (HyPLED) which has a film of YAG:Ce3+ nanoparticles. This white light is produced due to the combination of the blue light generated from a PLED and the green-yellow light coming from YAG:Ce3+ nanoparticles. This white light has CIE (International Commission on Illumination) coordinates of (0.31, 0.35) which is near of the ideal coordinate of (0.33, 0.33). The hybrid device presents a turn on voltage of 4V, as well as a maximum luminance and efficiency of 266cdm(-2) and 0.34cdA(-1) (at 9V), respectively. Finally, it was possible to tune the color emission from green to bluish-white by changing the operation voltage.
引用
收藏
页码：651 / 655
页数：5
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