Efficient Reverse Intersystem Crossing in Carbene-Copper-Amide TADF Emitters via an Intermediate Triplet State,Angewandte Chemie International Edition

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Efficient Reverse Intersystem Crossing in Carbene-Copper-Amide TADF Emitters via an Intermediate Triplet State
Angewandte Chemie International Edition ( IF 16.1 ) Pub Date : 2023-02-10 , DOI: 10.1002/anie.202217620
J Patrick Zobel ₁ , Anna M Wernbacher ₁ , Leticia González _{1,

2}

Affiliation

The mechanism underlying reverse intersystem crossing (rISC) dynamics in a carbene-copper(I)-carbazolyl TADF emitter is unravelled. Efficient rISC on a picosecond timescale occurs on a geometry of perpendicular ligand orientation mediated by a metal-to-ligand charge transfer state. This process is followed by a return to a co-planar ligand orientation with a high fluorescence rate.

中文翻译：

卡宾-铜-酰胺 TADF 发射体中通过中间三重态的高效反向系统间穿越

揭示了卡宾-铜 (I)-咔唑基 TADF 发射体中反向系统间交叉 (rISC) 动力学的潜在机制。皮秒时间尺度上的高效 rISC 发生在由金属到配体电荷转移状态介导的垂直配体取向的几何形状上。这个过程之后是返回到具有高荧光率的共面配体取向。

更新日期：2023-02-10

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