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27 February 2002 New family of polyfluorene copolymers for light-emitting devices
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Further routes have been developed for the synthesis of a 1,4-bishalomethylbenzene derivatives for Gilch dehydrohalogenation polycondensation. Poly(2,3-dibutoxy- 1,4-phenylenevinylene) is a protoypical conjugated polymer which is thought to derive its high PL solid state fluorescence efficiency from the sterically twisted backbone and devices carrying this polymer have been further evaluated. Distyrylbenzene derivative carrying the structural feature of a 2,3-dibutoxy substitution pattern on the central ring have been prepared. One in particular has been copolymerized with a 9,9-dialkyl-fluorene-2,7- diboronate ester. The resulting conjugated polymer shows a good green emission maximum in an electroluminescent device.
© (2002) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Andrew B. Holmes, Takeshi Sano, Cedric Fischmeister, J. Frey, Ulrich Hennecke, Chi-Shen Tuan, Beng Sim Chuah, Yuguang Ma, Rainer E. Martin, Ian D. Rees, Jian Li, Neil R. Feeder, Andrew Bond, Franco Cacialli, Shuang Fang Lim, and Richard H. Friend "New family of polyfluorene copolymers for light-emitting devices", Proc. SPIE 4464, Organic Light-Emitting Materials and Devices V, (27 February 2002);

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