✦ LIBER ✦

Aromatic Polyimides as Efficient Materials for Organic Electroluminescent Devices

✍ Scribed by Mal’tsev, Eugene I.; Berendyaev, Vladimir I.; Brusentseva, Maria A.; Tameev, Alek R.; Kolesnikov, Vladislav A.; Kozlov, Aleksey A.; Kotov, Boris V.; Vannikov, Anatoly V.

Publisher: John Wiley and Sons
Year: 1997
Tongue: English
Weight: 255 KB
Volume: 42
Category: Article
ISSN: 0959-8103
DOI: 10.1002/(sici)1097-0126(199704)42:4<404::aid-pi732>3.0.co;2-b

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✦ Synopsis

Derivatives of newly synthesized aromatic polyimides containing sulphur atoms in the backbone were studied as electronÈhole-transporting and light-emitting materials for use in combination with tris(8-hydroxyquinoline)aluminium in multilayer organic electroluminescent devices. Efficient bipolar charge transport has been revealed in the polymers. Bright electroluminescence (15 000 cd m~2 at 14 V) was observed in the visible range. The possible role of intermolecular donorÈacceptor interactions in the mechanism of electroluminescence is discussed.

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