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中文摘要：
用Suzuki偶联反应制备了一系列新型的9，9-二辛基-2，7-芴（DOF）与9，9-二（4-二苯胺基苯基）-3，6-芴（36FT）的共聚物．所有的聚合物均可溶于常见的有机溶剂（如THF，CHCl3和甲苯等），分子量在47000～189000之间．电化学研究结果表明，所有聚合物的HOMO能级都高于均聚烷基芴，并且随着36FT含量的增加，HOMO值逐渐上升、以该类聚合物为发光层制作了结构为ITO／PEDOT／PVK／polymer／Ba／Al的器件，获得了稳定的蓝光发射，其中以36PFT10为发光层的器件获得了0．52％的最大外量子效率．
英文摘要：
A series of conjugated copolymers derived from 9,9-dioctyl-2,7-fluorene（DOF） and 9,9-bis（4-diphenylaminophenyl）-3,6-fluorene（36FT） were prepared by Suzuki coupling polymerization, which have a high molecular weights（Mn =47000-189000）. The resulting copolymers are readily soluble in common organic solvents such as THF, CHCl3 and toluene etc.. The electrochemical, optical and electroluminescent properties were investigated. Cyclic vohammogram（CV） indicates that the HOMO level of the copolymers is higher than that of the PF homopolymer, and it increases with the increase in 36FT mass fraction from 2% to 35%. The blue polymer light-emitting diodes （PLEDs） with the device configuration of ITO/PEDOT/PVK/ polymer/Ba/Al were prepared. The highest external quantum efficiency was 0.52% from the device with 36PFT10 as the active layer.
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