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. 2022 Jul 2;13:3815. doi: 10.1038/s41467-022-31521-y

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© The Author(s) 2022, corrected publication 2022

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Fig. 1 — a Previous NIR-II D-A-D dyes used BBT and PTQ as electron acceptors; b D-A-D NIR-II fluorophore structures of this work based on TQT acceptor.