Efficient and durable organic alloys for electroluminescent displays

被引:27
作者
Choong, VE
Shen, J [1 ]
Curless, J
Shi, S
Yang, J
So, F
机构
[1] Arizona State Univ, Dept Elect Engn, Tempe, AZ 85287 USA
[2] Arizona State Univ, Ctr Solid State Elect Res, Tempe, AZ 85287 USA
[3] Motorola Inc, Phoenix Corp Res Labs, Tempe, AZ 85284 USA
关键词
D O I
10.1088/0022-3727/33/7/302
中图分类号
O59 [应用物理学];
学科分类号
摘要
We present new results on a single-layer organic alloy light emitting diode. The device shows significant improvement in lifetime at room and elevated temperatures. The improvement is attributed to the elimination of the heterointerface and the minimization of the formation of unstable tris-(8-hydroxyquinoline) aluminum (Alq(3)) cations. The efficiency is comparable to those of heterojunction counterparts. Balanced bipolar carrier injection and transport are made possible by adjusting the alloy composition and doping.
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页码:760 / 763
页数:4
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