作者:Cheng, Xihui、Liu, Chunmei、Lu, Wen、Xiao, Jiacheng、Du, Chenxia、Yin, Mingcai、Zhang, Bin
DOI:10.1016/j.poly.2024.117029
日期:——
Endowing thermally activated delayed fluorescence (TADF) emitters simultaneously with high emission quantum yields and short radiative lifetimes is of fundamental significance in optoelectronic field. In this contribution, two neutral tetrahedral Cu(I) complexes ( and ) have been developed, which realize blue-TADF with photoluminescent quantum yield of up to 85 % due to the high structural rigidity
同时赋予热激活延迟荧光(TADF)发射器高发射量子产率和短辐射寿命在光电领域具有重要意义。在这项贡献中,开发了两种中性四面体 Cu(I) 配合物( 和 ),由于结构刚性高,它们实现了光致发光量子产率高达 85% 的蓝色-TADF。同时,Cu(I)配合物的短TADF寿命(<10μs)表明,与典型的有机化合物相比,铜离子引入的小ΔE(S-T)间隙和相对较大的SOC值的协同效应可以促进快速反向ISC过程。 -TADF材料。