ArticleScience (New York, N.Y.)2022
Proton-coupled energy transfer in molecular triads.
Article in Science (New York, N.Y.), 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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Who cites it
13 citing papers in PubMed.
- Tunable photofluorochromic switch driven by dynamic through-space conjugation.Nature communications · 2026Article
- Proton shuttle-assisted triplet energy transfer.Nature materials · 2026Article
- General Expression for Vibronic Coupling in Proton-Coupled Energy Transfer.Journal of chemical theory and computation · 2026Article
- Proton-Coupled Electron and Energy Transfer in Molecular Triads.Accounts of chemical research · 2026Article
- Pushing the Thermodynamic and Kinetic Limits of Near-Infrared Emissive CrJournal of the American Chemical Society · 2025Article
- Direct Evidence of Bimolecular Proton-Coupled Energy Transfer at Room Temperature.Journal of the American Chemical Society · 2025Article
- High-pressure pump-probe experiments reveal the mechanism of excited-state proton-coupled electron transfer and a shift from stepwise to concerted pathways.Nature chemistry · 2025Article
- Proton-coupled electron transfer controls peroxide activation initiated by a solid-water interface.Nature communications · 2025Article
- Evidence for Competing Proton-Coupled Reaction Pathways of Molecular Triads in a Low-Polarity Solvent.The journal of physical chemistry. A · 2025Article
- Visible-Light-Activated Carbon Monoxide Release from Porphyrin-Flavonol Hybrids.Journal of the American Chemical Society · 2024Article
- Better Covalent Connection in a Molecular Triad Enables More Efficient Photochemical Energy Storage.Inorganic chemistry · 2023Article
- Symmetry-breaking dynamics in a tautomeric 3D covalent organic framework.Nature communications · 2023Article
- Exploring Proton-Coupled Electron Transfer at Multiple Scales.Nature computational science · 2023Article
Corrections and comments
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Authors and funding
7 authors.
Funding
Abstract
We experimentally discovered and theoretically analyzed a photochemical mechanism, which we term proton-coupled energy transfer (PCEnT). A series of anthracene-phenol-pyridine triads formed a local excited anthracene state after light excitation at a wavelength of ~400 nanometers (nm), which led to fluorescence around 550 nm from the phenol-pyridine unit. Direct excitation of phenol-pyridine would have required ~330-nm light, but the coupled proton transfer within the phenol-pyridine unit lowered its excited-state energy so that it could accept excitation energy from anthracene. Singlet-singlet energy transfer thus occurred despite the lack of spectral overlap between the anthracene fluorescence and the phenol-pyridine absorption. Moreover, theoretical calculations indicated negligible charge transfer between the anthracene and phenol-pyridine units. We construe PCEnT as an elementary reaction of possible relevance to biological systems and future photonic devices.
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Registered trials
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