Fluorene-Based Phosphine Oxide Host Materials for Blue Electrophosphorescence: An Effective Strategy for a High Triplet Energy Level
作者:Donghui Yu、Yongbiao Zhao、Hui Xu、Chunmiao Han、Dongge Ma、Zhaopeng Deng、Shan Gao、Pengfei Yan
DOI:10.1002/chem.201003434
日期:2011.2.25
A bolt from the blue! Two novel host materials for blue electrophosphorescence were designed and synthesized by modification of fluorene at the 9‐position with diphenylphosphine oxide to give high triplet energy levels of 2.99 eV (see scheme), achieved through an indirect linkage of the chromophore and the phosphine oxide moieties. These host materials were also found to exhibit high thermal and morphological
晴天霹雳!设计和合成了两种用于蓝色电致磷光的新型基质材料,方法是通过将发色团和氧化膦部分间接连接,在二苯基膦氧化物的9位上对芴进行修饰,以得到2.99 eV的高三重态能级(参见方案)。 。还发现这些主体材料表现出高的热稳定性和形态稳定性以及有效的能量传递。