In order to simplify the synthesis of bipolarhostmaterials of OLEDs, a facile synthetic approach was developed and a series of sulfone-contained bipolarhostmaterials were synthesized via mild one-step Friedel-Crafts arylmethylation. Due to π-conjugate-interrupted connection between donor moiety and sulfone moiety, those materials keep hightripletenergy and separate the HOMO and LUMO levels. Furthermore
为了简化OLED的双极性主体材料的合成,开发了一种简便的合成方法,并通过温和的一步式Friedel-Crafts芳基甲基化合成了一系列含砜的双极性主体材料。由于供体部分和砜部分之间的π-共轭间断连接,这些材料保持了较高的三线态能量,并分隔了HOMO和LUMO含量。此外,引入砜基可以显着降低LUMO水平。基于新合成的基于砜的双极主体材料,以16.5 cd / A的高电流效率制备了有效的溶液处理的天蓝色磷光OLED。我们的结果表明,Friedel-Crafts芳基甲基化是构建双极宿主材料的有力合成策略。
Gomberg; Britton, Journal of the American Chemical Society, 1921, vol. 43, p. 1947
作者:Gomberg、Britton
DOI:——
日期:——
TALIAARD, BENJAMIN;GOOSEN, ANDRE;MCCLELAND, CEDRIC W., J. CHEM. SOC. PERKIN TRANS. PT 1,(1989) N, C. 931-934
作者:TALIAARD, BENJAMIN、GOOSEN, ANDRE、MCCLELAND, CEDRIC W.