Synthesis and characterization of stable blue light‐emitting poly(spirobifluorene) derivatives containing alkoxy group
Synthesis and characterization of stable blue light‐emitting poly(spirobifluorene) derivatives containing alkoxy group
复制标题
含烷氧基的稳定蓝光聚螺二芴衍生物的合成与表征
DOI：
--
复制
发表时间：
2005
期刊：
影响因子：
--
通讯作者：
Soon
中科院分区：
文献类型：
--
作者：
Kirim Lee;Yun‐Hi Kim;Yong Kyun Lee;J. Jang;Soon
含有烷氧基取代的螺二芴的聚合物已经由镍（0）介导的偶联或钯催化的Suzuki偶联制备。聚合物的特征在于使用各种光谱，如1H-NMR，FT-IR，和元素分析。高的玻璃化转变温度和高的分解温度表明所得聚合物具有高的热稳定性。所得聚合物的重均分子量为4500-33,000，多分散指数为1.1-1.9，溶解性良好。低的氧化电位起始值表明含烷氧基取代螺二芴的聚合物具有良好的空穴注入性能。含烷氧基取代螺二芴的聚合物的光致发光和电致发光显示稳定的蓝色，通过抑制激基缔合物的形成，由于分子间的相互作用。
Polymers containing alkoxy-substituted spirobifluorene have been prepared from nickel(0)-mediated coupling or palladium-catalyzed Suzuki coupling. The polymers were characterized using various spectroscopies, such as 1 H-NMR, FT-IR, and elemental analysis. The high glass transition temperature and high decomposition temperature suggested that the resulting polymers possessed a high thermal stability. The obtained polymers possessed weight average molecular weight of 4500-33,000 with polydispersity index of 1.1-1.9 and good solubility. The low onsets of the oxidation potential suggested that the polymers containing alkoxy substituted spirobifluorene possessed a good hole injection property. The photoluminescence and electroluminescence of the polymers containing alkoxy substituted spirobifluorene showed stable blue color by suppressing the excimer formation due to intermolecular interaction.