Mono- versus Bicyclic Carbene Metal Amide Photoemitters: Which Design Leads to the Best Performance?
Mono- versus Bicyclic Carbene Metal Amide Photoemitters: Which Design Leads to the Best Performance?
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DOI：
10.26434/chemrxiv.11905557.v1
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发表时间：
2020-02
影响因子：
8.6
通讯作者：
F. Chotard;V. Sivchik;Mikko Linnolahti;M. Bochmann;A. Romanov
中科院分区：
文献类型：
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作者：
F. Chotard;V. Sivchik;Mikko Linnolahti;M. Bochmann;A. Romanov
基于单环（C6）或双环六环（BIC 6）环状（烷基）（氨基）卡宾配体的新的发光“卡宾-金属-酰胺”（CMA）Cu、Ag和Au络合物说明了LUMO能量稳定性、构象柔性和激发态能量对光电发射性质的影响，导致接近定量的量子产率，Cu > Au > Ag的激发态寿命短至0.5 µs，辐射率高至106 s-1。
New luminescent “carbene-metal-amide” (CMA) Cu, Ag and Au complexes based on monocyclic (C6) or bicyclic six-ring (BIC6) cyclic (alkyl)(amino)carbene ligands illustrates the effects of LUMO energy stabilization, conformational flexibility and excited state energy on the photoemission properties, leading to near-quantitative quantum yields, short excited state lifetimes Cu > Au > Ag down to 0.5 µs and high radiative rates of 106 s–1.