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A Photoexcitation-Induced Twisted Intramolecular Charge Shuttle

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Title
A Photoexcitation-Induced Twisted Intramolecular Charge Shuttle
Author(s)
Chi W.; Qiao Q.; Lee R.; Liu W.; Teo Y.S.; Gu D.; Lang M.J.; Young-Tae Chang; Xu Z.; Liu X.
Publication Date
2019-05
Journal
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, v.58, no.21, pp.7073 - 7077
Publisher
WILEY-V C H VERLAG GMBH
Abstract
© 2019 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim Charge transfer and separation are important processes governing numerous chemical reactions. Fundamental understanding of these processes and the underlying mechanisms is critical for photochemistry. Herein, we report the discovery of a new charge-transfer and separation process, namely the twisted intramolecular charge shuttle (TICS). In TICS systems, the donor and acceptor moieties dynamically switch roles in the excited state because of an approximately 90° intramolecular rotation. TICS systems thus exhibit charge shuttling. TICSs exist in several chemical families of fluorophores (such as coumarin, BODIPY, and oxygen/carbon/silicon–rhodamine), and could be utilized to construct functional fluorescent probes (i.e., viscosity- or biomolecule-sensing probes). The discovery of the TICS process expands the current perspectives of charge-transfer processes and will inspire future applications
URI
https://pr.ibs.re.kr/handle/8788114/5854
ISSN
1433-7851
Appears in Collections:
Center for Self-assembly and Complexity(복잡계 자기조립 연구단) > Journal Papers (저널논문)
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