Controlling the Emissive, Chiroptical, and Electrochemical Properties of Double [7] Helicenes through Embedded Aromatic Rings
作者:Juan Hong、Xuxian Xiao、Haoliang Liu、Evgenia Dmitrieva、Alexey A. Popov、Zidong Yu、Ming‐De Li、Tatsuhiko Ohto、Jun Liu、Akimitsu Narita、Pengcai Liu、Hirokazu Tada、Xiao‐Yu Cao、Xiao‐Ye Wang、Yingping Zou、Klaus Müllen、Yunbin Hu
DOI:10.1002/chem.202202243
日期:2022.10.18
Controlling the photophysics of double helicenes is facilely achieved by variation of the terminal aromatic rings. Compared to the thiadiazole-fused and all-carbon analogs, triazole-fused double helicene shows significantly enhanced emission with near-unity quantum yield, and high circularly polarized luminescence brightness of up to 30.1 M−1 cm−1, as well as excellent ambipolar redox behavior.
通过改变末端芳环可以轻松控制双螺旋的光物理。与噻二唑稠合和全碳类似物相比,三唑稠合双螺旋体显示出显着增强的发射,具有接近统一的量子产率,高达 30.1 M -1 cm -1的高圆偏振发光亮度,以及优异的双极性氧化还原行为。