J-aggregate electroluminescence in polymer matrices

被引：9

作者：

Mal'tsev, EI ^{[1
]}

Lypenko, DA ^{[1
]}

Shapiro, BI ^{[1
]}

Milburn, GHW ^{[1
]}

Wright, J ^{[1
]}

Hendriksen, A ^{[1
]}

Berendyaev, VI ^{[1
]}

Kotov, BV ^{[1
]}

Vannikov, AV ^{[1
]}

机构：

[1] Russian Acad Sci, AN Frumkin Electrochem Inst, Moscow 117071, Russia

来源：

ORGANIC LIGHT-EMITTING MATERIALS AND DEVICES III | 1999年 / 3797卷

关键词：

polymer LEDs; electroactive polymers; nanocrystalline phase; polymer composites;

D O I：

10.1117/12.372716

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Cyanine dye electroluminescence was observed in single layer light-emitting diodes based on electron-hole conducting polymers, The appearance of light emission in the visible range depended on the reduction/oxidation potentials of the dyes used. In polymer systems, the electroluminescence of cyanine dye J-aggregate nanocrystalline phase was detected for the first time. J-aggregate/polymer composites exhibiting intense absorption band with a maximum in the red range were developed on the base of polyimides and a copolymer coformed from phenylacetylene and 4-methylcoumarin-4-pentynoate doped with the dye luminophores. Efficient electrolumunescence was revealed in these systems. It was demostrated that J-aggregates play an active role in charge carrier transport in the composite materials. In particular, anthracene-containing polyimides exhibiting electron-hole transport appeared to be appropriate media for the generation of J-aggregate electroluminescence.

引用

页码：246 / 255

页数：10

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