Synthesis and photophysical properties of dinuclear N-heterocyclic carbene (NHC) copper(I) complexes and their application to photoluminescent light-emitting diodes and anti-counterfeiting
作者:Xiaoyun Wu、Shuo Liu、Hongyun Chen、Haixin Ding、Shengxian Xu、Yaqian Wu、Yibo Wang、Feng Zhao
DOI:10.1016/j.saa.2023.123758
日期:2024.3
dinuclear N-heterocyclic carbene (NHC) copper(I) complexes having 3,3′-(1,4-phenylenebis(methylene))bis(1-(pyridin-2-yl)-1H-imidazolylidene as bis-NHC ligand and bis[(2-diphenylphosphino)phenyl]ether (POP) as auxiliary ligand have been successfully prepared, and their photophysical properites were investigaged experimentally and theocitcally. The resulting complexes all exhibited intense green to yellow
这里,一系列双核N-杂环卡宾(NHC)铜(I)络合物,具有3,3'-(1,4-亚苯基双(亚甲基))双(1-(吡啶-2-基)-1H-咪唑亚基)作为成功制备了双-NHC配体和双[(2-二苯基膦)苯基]醚(POP)作为辅助配体,并通过实验和理论研究了它们的光物理性质,所得配合物均表现出强烈的绿光至黄光发射。基于 Cu(I) 的热激活延迟荧光 (TADF),其光致发光量子产率高达 0.67,并且在微秒时间尺度上具有更长的激发态寿命。此外,由Cu(I)配合物制成的防伪图案和二维码已应用于服装、纸币、书籍和玻璃板,具有优异的防伪效果。