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A new subclass of copper(I) hybrid emitters showing TADF with near-unity quantum yields and a strong solvatochromic effect.

Andrey Yu BaranovMariana I RakhmanovaXiuze HeiDenis G SamsonenkoDmitri V StassIrina Yu BagryanskayaMaxim R RyzhikovVladimir P FedinJing LiAlexander V Artem'ev
Published in: Chemical communications (Cambridge, England) (2023)
We introduce here a new subclass of copper(I) hybrid emitters simultaneously containing [Cu x I y ] z - anions and Cu + cations, separated in space by a Janus head ligand. When UV-irradiated at 298 K, these unique "Two-In-One" hybrids exhibit a short-lived green TADF with near-unity quantum yield and a strong solvatochromic effect. Moreover, they manifest a strong radioluminescence upon X-ray irradiation. These findings open up new possibilities for the design of highly performing TADF materials.
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