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Issue 6, 2001
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Abstract

Novel conjugated-bridged triphenylene derivatives with electroluminescent properties were synthesized. A six step synthesis yields the cyanomethyltriphenylene derivatives (7a–7d). These were condensed by applying a Knoevenagel reaction with the alkoxy substituted dialdehyde 8 to PPV analogous short chain compounds 9a–9d. The products 9a–9d show bright orange to red photoluminescence. They are suitable as the emissive layer in organic light-emitting diodes (OLEDs), both in single and double layer arrangements with copper phthalocyanine as the hole transport layer.

Graphical abstract: Synthesis of conjugated-bridged triphenylenes and application in OLEDs

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Article information


Submitted
03 Jan 2001
Accepted
08 Mar 2001
First published
12 Apr 2001

J. Mater. Chem., 2001,11, 1618-1624
Article type
Paper

Synthesis of conjugated-bridged triphenylenes and application in OLEDs

R. Freudenmann, B. Behnisch and M. Hanack, J. Mater. Chem., 2001, 11, 1618
DOI: 10.1039/B100083G

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