Journal
EUROPEAN POLYMER JOURNAL
Volume 42, Issue 10, Pages 2320-2327Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.eurpolymj.2006.05.026
Keywords
light emitting diode; electroluminescence; polyfluorene; cationic polyelectrolyte
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Soluble conjugated copolymers (PFN-TPA) derived from 2,1,3-benzothiadiazole (BTDZ), triphenylamine (TPA) and 9,9-bis(3'-(N,N-dimethylamino)propyl)fluorene (DMAPF) were synthesized by palladium(0)-catalyzed Suzuki coupling reactions. Optoelectronic properties of the copolymers were characterized by UV-vis absorption, cyclic voltammetry, photoluminescence and electroluminescence. All these copolymers show excellent EL performances in the devices with Ba/Al, Al and even Au as cathode and are promising candidate for fabrication and patterning of air-stable flat panel displays. (c) 2006 Elsevier Ltd. All rights reserved.
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