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Synthesis of asymmetric biphenyl derivatives for optoelectronicapplications

机译:光电应用中不对称联苯衍生物的合成

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摘要

We report the synthesis and optical properties of a series often organic compounds with biphenyl as the backbone and asymmetrically modified by triphenylamines, carbazoles and tetraphenylsilanes (BP1-10). BP1-10 were synthesized mainly by Ullmann coupling reaction and Suzuki cross-coupling reaction and characterized by EA, NMR, MS, UV-Vis, DSC, TGA, fluorescence spectra and cyclic voltammetry. They exhibit reversible electrochemical behavior with low oxidation potentials and emit intense pure-blue light with high fluorescence quantum yields (up to 80%). BP 1 was fabricated into multi-layered light-emitting diodes as blue-emitting, host and hole transport materials. Based on the performance of BP 1 and the similarity in chemical structure to those compounds reported in literature, these compounds are expected to be good and versatile hole transport, host and blue emitting materials.
机译:我们报告了一系列以联苯为骨架并被三苯胺,咔唑和四苯硅烷(BP1-10)不对称改性的经常有机化合物的合成和光学性质。 BP1-10主要通过Ullmann偶联反应和Suzuki交叉偶联反应合成,并通过EA,NMR,MS,UV-Vis,DSC,TGA,荧光光谱和循环伏安法表征。它们表现出可逆的电化学行为,具有低氧化电位,并发出具有高荧光量子产率(高达80%)的强纯蓝光。 BP 1被制成多层发光二极管,作为发蓝光,主体和空穴传输的材料。基于BP 1的性能以及与文献中报道的那些化合物在化学结构上的相似性,这些化合物有望成为良好且用途广泛的空穴传输,基质和发蓝光材料。

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