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SYNTHESES AND OPTOELECTRONIC PROPERTIES OF A HEXA-ARMED FLUORENE-BENZENE COPOLYMER BASED ON 2,4,6,8,10,12-HEXABENZYL-2,4,6,8,10,12-HEXAAZAISOWURTZITANE CAGED-CORE
Authors:Qian-jin Zhao  Wen-hui Wu  Qiao-li Niu  Jun-biao Peng
Abstract:
A novel kind of hexa-armed fluorene-benzene copolymer based on a hexaazaisowurtzitane core was synthesized through Suzuki coupling polycondensation.The introduction of this bulky caged-core could not only enhance the photoluminescence quantum efficiency,but also improve the electroluminescence properties,especially suppress the common green-color emission of polyfluorenes(PFs) material during device operation.These features can be attributed to the successful suppression of PF's chain aggregation which prof...
Keywords:Conjugated polymers  Star-like polymers  Poly(fluorene-co-benzene)  Synthesis
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