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The aim is to explore the ultrafast dynamics of the C=C chromophore ethylene, important for photochemical processes.

July 26, 2026Nature CommunicationsOpen Access

Few-femtosecond photoelectron spectroscopy reveals fundamental photodynamics of the carbon-carbon double bond in ethylene

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The aim is to explore the ultrafast dynamics of the C=C chromophore ethylene, important for photochemical processes.
Utilized sub-4 femtosecond pulses in the 150-200 nm range for spectroscopy
Investigated both ethylene and its per-deuterated isotopologue
Employ advanced quantum dynamics calculations to support findings
Identified the role of the 1 B 3 g ( σ π * ) state coupled to the 1 B 1 u ( π π * ) state
Revealed insights into the torsional motion associated with photochemical reactions
Established a new framework for understanding conjugated molecular systems

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Randomized trial investigates ultrafast photodynamics of ethylene, suggesting insights for photochemical control.

Sen et al. (2026) studied this question.

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