ArticleThe journal of physical chemistry letters2024
Nonadiabatic Charge Transfer within Photoexcited Nickel Porphyrins.
Article in The journal of physical chemistry letters, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- A Metallosupramolecular Receptor for Squaraine Dyes Enabling Ultrafast Dark Resonance Energy Transfer.Angewandte Chemie (International ed. in English) · 2026Article
- Photophysical Processes of Porphyrin and Corrin Complexes with Nickel and Palladium.International journal of molecular sciences · 2026Article
- A high-energy Laue X-ray emission spectrometer at the FXE instrument at the European XFEL.Journal of synchrotron radiation · 2025Article
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Authors and funding
28 authors.
Funding
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Abstract
Metalloporphyrins with open d-shell ions can drive biochemical energy cycles. However, their utilization in photoconversion is hampered by rapid deactivation. Mapping the relaxation pathways is essential for elaborating strategies that can favorably alter the charge dynamics through chemical design and photoexcitation conditions. Here, we combine transient optical absorption spectroscopy and transient X-ray emission spectroscopy with femtosecond resolution to probe directly the coupled electronic and spin dynamics within a photoexcited nickel porphyrin in solution. Measurements and calculations reveal that a state with charge-transfer character mediates the formation of the thermalized excited state, thereby advancing the description of the photocycle for this important representative molecule. More generally, establishing that intramolecular charge-transfer steps play a role in the photoinduced dynamics of metalloporphyrins with open d-shell sets a conceptual ground for their development as building blocks capable of boosting nonadiabatic photoconversion in functional architectures through "hot" charge transfer down to the attosecond time scale.
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Registered trials
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