ArticleNature communications2025
Excited-state reaction dynamics of the radical anions revealed by time-resolved photofragment depletion spectroscopy.
Article in Nature communications, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
What it found
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Who cites it
4 citing papers in PubMed.
- A Mesoionic Platform for Persistent Anionic Nitrogen-Centered Radicals.Angewandte Chemie (International ed. in English) · 2026Article
- Structure and isomer-specific femtosecond real-time relaxation dynamics of hydrated electron motifs in water cluster anions.Communications chemistry · 2026Article
- Electronic Spectroscopy of Cold Gas-Phase Ions in a Cryogenic Ion Trap: Vibronic States, Bonding Characteristics, and Photochemistry.Chemistry, an Asian journal · 2026Review
- Femtosecond real-time fragmentation dynamics of the nitrobenzene anion reveal the dissociative electron attachment mechanism.Chemical science · 2025Article
Corrections and comments
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Authors and funding
2 authors.
Funding
Abstract
The excited-state reaction dynamics of radical anions are investigated using a newly developed technique: time-resolved photofragment depletion spectroscopy. This method leverages differences in photodetachment cross-sections among transient anionic species involved in the reaction pathway. It offers a distinct advantage for studying radical anions, which are typically challenging to probe using conventional spectroscopic techniques due to their low electron affinities. As a benchmark, the method is first applied to I₂⁻, whose excited-state behavior is well characterized. The technique is then extended to CH₃NO₂⁻ and (CH₃NO₂)₂⁻, enabling real-time probing of the excited-state dynamics of their nonvalence-bound states. Our findings reveal that ultrafast internal conversion from a nonvalence orbital to a valence orbital is followed either by prompt chemical bond dissociation or by comparatively slower cluster decomposition. These results highlight the dynamic role of the nonvalence orbital in driving chemical reactivity.
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Registered trials
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