Journal
COORDINATION CHEMISTRY REVIEWS
Volume 425, Issue -, Pages -Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.ccr.2020.213545
Keywords
Thermally activated delayed fluorescence; Time-resolved fluorescence imaging; Fluorescence probes; Photodynamic therapy; Photosensitizer
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Funding
- National Research Foundation of Korea (NRF) - Korean government (MSIP) [2012R1A3A2048814]
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Purely organic, thermally activated delayed fluorescence (TADF) materials have recently emerged as novel and attractive organic luminescent materials for use in many research fields. Motivated by the unique features of TADF fluorophores, most notably their long-lived delayed fluorescence and high triplet formation, many organic TADF fluorophores have been developed for biomedical applications. In this review, we briefly summarize recent progress in the development of intelligent TADF probes, ranging from single molecules to delicate nanomaterials, for time-resolved fluorescence imaging and biosensing in biology and medicine. Moreover, recent strategies for designing novel photosensitizers (PSs) based on donor-acceptor systems with reduced singlet-triplet energy gaps (DEST) for photodynamic therapy of cancer are also introduced. Finally, the main challenges of and prospects for organic molecules with reduced DEST for biomedical applications are discussed. (C) 2020 Elsevier B.V. All rights reserved.
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