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Proceedings Paper

J-aggregate electroluminescence in polymer matrices
Author(s): Eugene I. Mal'tsev; Dmitry A. Lypenko; Boris I. Shapiro; George Harry W. Milburn; Jeffrey Wright; Andre Hendriksen; Vladimir I. Berendyaev; Boris V. Kotov; Anatoly V. Vannikov
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Paper Abstract

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 demonstrated 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.

Paper Details

Date Published: 17 December 1999
PDF: 10 pages
Proc. SPIE 3797, Organic Light-Emitting Materials and Devices III, (17 December 1999); doi: 10.1117/12.372716
Show Author Affiliations
Eugene I. Mal'tsev, A.N. Frumkin Institute of Electrochemistry (Russia)
Dmitry A. Lypenko, A.N. Frumkin Institute of Electrochemistry (Russia)
Boris I. Shapiro, NII Khimfotoprojekt PLC (Russia)
George Harry W. Milburn, Napier Univ. (United Kingdom)
Jeffrey Wright, Napier Univ. (United Kingdom)
Andre Hendriksen, Napier Univ. (United Kingdom)
Vladimir I. Berendyaev, Karpov Institute of Physical Chemistry (Russia)
Boris V. Kotov, Karpov Institute of Physical Chemistry (Russia)
Anatoly V. Vannikov, A.N. Frumkin Institute of Electrochemistry (Russia)


Published in SPIE Proceedings Vol. 3797:
Organic Light-Emitting Materials and Devices III
Zakya H. Kafafi, Editor(s)

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