ArticleChemical science2021
Monitoring molecular vibronic coherences in a bichromophoric molecule by ultrafast X-ray spectroscopy.
Article in Chemical science, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed.
- Vibronically Coherent Exciton Trapping in Monolayer WSACS nano · 2025Article
- Monitoring vibronic coherences and molecular aromaticity in photoexcited cyclooctatetraene with an X-ray probe: a simulation study.Chemical science · 2023Article
- Charge-induced chemical dynamics in glycine probed with time-resolved Auger electron spectroscopy.Structural dynamics (Melville, N.Y.) · 2022Article
- Electronic quantum coherence in glycine molecules probed with ultrashort x-ray pulses in real time.Science advances · 2022Article
- Ultrafast coherent photoexcited dynamics in a trimeric dendrimer probed by X-ray stimulated-Raman signals.Chemical science · 2022Article
- Electronic coherences in nonadiabatic molecular photophysics revealed by time-resolved photoelectron spectroscopy.Proceedings of the National Academy of Sciences of the United States of America · 2022Article
- Photoisomerization transition state manipulation by entangled two-photon absorption.Proceedings of the National Academy of Sciences of the United States of America · 2021Article
- Unveiling the spatial distribution of molecular coherences at conical intersections by covariance X-ray diffraction signals.Proceedings of the National Academy of Sciences of the United States of America · 2021Article
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Authors and funding
6 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The role of quantum-mechanical coherences in the elementary photophysics of functional optoelectronic molecular materials is currently under active study. Designing and controlling stable coherences arising from concerted vibronic dynamics in organic chromophores is the key for numerous applications. Here, we present fundamental insight into the energy transfer properties of a rigid synthetic heterodimer that has been experimentally engineered to study coherences. Quantum non-adiabatic excited state simulations are used to compute X-ray Raman signals, which are able to sensitively monitor the coherence evolution. Our results verify their vibronic nature, that survives multiple conical intersection passages for several hundred femtoseconds at room temperature. Despite the contributions of highly heterogeneous evolution pathways, the coherences are unambiguously visualized by the experimentally accessible X-ray signals. They offer direct information on the dynamics of electronic and structural degrees of freedom, paving the way for detailed coherence measurements in functional organic materials.
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