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Blue aggregation-induced emission molecules for non-doped organic light-emitting diodes

机译:用于非掺杂有机发光二极管的蓝色聚集诱导的发射分子

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In this study, triphenylethene moiety decorated with different carbazole-based substitutions were synthesized, aiming to realize molecules harvesting strong blue aggregation-induced emission (AIE). In these compounds, 1,1,2-Triphenyl-2-[9-(2-ethylhexyl)carbazol-2-yl]ethylene (3) and 1,1,2-Triphenyl-2-[9-((3-methyloxetan-3-yl)methyl)carbazol-2-yl]ethylene (4) possess suitable carrier transport capabilities, high thermal stability, and strong blue aggregation-induced emission. Both of them were selected as emitters in fabricating non-doped organic light-emitting diodes (OLEDs). The respective maximum efficiencies of compounds 3 and 4-based AIE OLEDs were recorded at 3.5% (8.8 cd/A and 8.5 lm/W) and 3.8 % (9.0 cd/A and 8.4 lm/W), demonstrating their high potential for EL applications.
机译:在这项研究中,合成了装饰有不同咔唑基取代基的三苯乙烯部分,旨在实现分子收集强蓝色聚集诱导的发射(AIE)。在这些化合物中,1,1,2-三苯基-2- [9-(2-乙基己基)咔唑-2-基]乙烯(3)和1,1,2-三苯基-2- [9-((3-甲基氧杂环丁烷-3-基)甲基)咔唑-2-基]乙烯(4)具有合适的载流子传输能力,高的热稳定性和强烈的蓝色聚集诱导发射。两者均被选作制造非掺杂有机发光二极管(OLED)的发射极。基于化合物3和4的AIE OLED的最大效率分别记录为3.5%(8.8 cd / A和8.5 lm / W)和3.8%(9.0 cd / A和8.4 lm / W),证明了它们的高潜力适用于EL应用。

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