Abstract
Multiple charge separation has been successfully realized by a proton-coupled electron transfer reaction in an organic cocrystal. Benefiting from the adjustable electronic energy level of the electron donor and acceptor through thermal-induced proton migration, distinct optical absorption behaviors combined with color changes to blue or green are observed in these charge-separated states. It is of interest to note that such charge-separated states exhibit a longer lifetime of over a month as a result of the excellent coplanarity and π-π interaction of the electron acceptors. Moreover, the enhanced absorption toward longer wavelengths endows the charge-separated state with near-infrared (808 nm) photothermal conversion for imaging and bacterial inhibition, whereby the conversion performance can be controlled by the degree of proton migration.
Original language | English |
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Article number | e202215591 |
Journal | Angewandte Chemie - International Edition |
Volume | 62 |
Issue number | 12 |
DOIs | |
Publication status | Published - 13 Mar 2023 |
Keywords
- Antibacterial Application
- Electron Transfer
- Multiple Charge Separation
- Photothermal Imaging
- Proton Migration