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양자나노과학 연구단
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Dithia[3.3]paracyclophane Core: A Versatile Platform for Triplet State Fine-Tuning and Through-Space TADF Emission

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Title
Dithia[3.3]paracyclophane Core: A Versatile Platform for Triplet State Fine-Tuning and Through-Space TADF Emission
Author(s)
Auffray M.; Kim D.H.; Kim J.U.; Bencheikh F.; Kreher D.; Zhang Q.; Anthony D’Aleo; Ribierre J.-C.; Mathevet F.; Adachi C.
Publication Date
2019-06
Journal
CHEMISTRY-AN ASIAN JOURNAL, v.14, no.11, pp.1921 - 1925
Publisher
WILEY-V C H VERLAG GMBH
Abstract
© 2019 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim Thermally activated delayed fluorescence (TADF) based on through-space donor and acceptor interactions constitute a recent and promising approach to develop efficient TADF emitters. Novel TADF isomers using a dithia[3.3]-paracyclophane building block as a versatile 3D platform to promote through-space interactions are presented. Such a 3D platform allows to bring together the D and A units into close proximity and to probe the effect of their orientation, contact site and distance on their TADF emission properties. This study provides evidence that the dithia[3.3]paracyclophane core is a promising platform to control intramolecular through-space interactions and obtain an efficient TADF emission with short reverse-intersystem crossing (RISC) lifetimes. In addition, this study demonstrates that this design can tune the energy levels of the triplet states and leads to an upconversion from 3 CT to 3 LE that promotes faster and more efficient RISC to the 1 CT singlet state
URI
https://pr.ibs.re.kr/handle/8788114/6923
ISSN
1861-4728
Appears in Collections:
Center for Quantum Nanoscience(양자나노과학 연구단) > Journal Papers (저널 논문)
Files in This Item:
Anthony D Aleo_Dithia[3.3]paracyclophane Core A Versatile Platform for Triplet State Fine-Tuning_Auffray_et_al-2019-Chemistry_-_An_Asian_Journal.pdfDownload

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