Voltage- and polarity-tunable multicolor organic electroluminescent devices

被引：7
|
作者：
Hamaguchi, M
Fujii, A
Ohmori, Y
Yoshino, K
机构：
来源：
JAPANESE JOURNAL OF APPLIED PHYSICS PART 2-LETTERS & EXPRESS LETTERS | 1996年 / 35卷 / 11A期
关键词：
electroluminescence; organic electroluminescent device; light emitting diode; poly(2,5-dinonyloxy-p-phenylenevinylene); conjugated polymer; poly(9,9-dihexylfluorene); N,N'-diphenyl-N,N'-bis(3-methylphenyl)-[1,1'-biphenyl]-4,4'-diamine; EL; color-variable EL;
D O I：
10.1143/JJAP.35.L1462
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Electroluminescent (EL) properties of organic EL devices with a three-layer structure of tris(8-hydroxyquinoline aluminum) (Alq)-doped poly(2,5-dinonylosy-p-phenylenevinylene) (NOPPV)/an aromatic diamine derivative/poly(9,9-dihexylfluorene) (PDHF) have been studied. Their electroluminescence was blue for negative voltage on the PDHF side electrode, and varied from orange dominated by the emission from NO-PPV to green dominated by the emission from Alq as the positive voltage on the PDHF side electrode was increased, The mechanism of the multicolor emission is discussed in terms of an energy band diagram of the devices.
引用
收藏
页码：L1462 / L1464
页数：3
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