ArticlePhysical chemistry chemical physics : PCCP2022
The kinetic energy of PAH dication and trication dissociation determined by recoil-frame covariance map imaging.
Article in Physical chemistry chemical physics : PCCP, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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4 citing papers in PubMed.
- The inner-shell ionization and fragmentation of selenophene at 120 eV.Scientific reports · 2026Article
- Simplistic Software for Analyzing Mass Spectra and a Mixed Experimental-Theoretical Database for Identifying Poisonous and Explosive Substances.Journal of computational chemistry · 2025Article
- Addressing electronic and dynamical evolution of molecules and molecular clusters: DFTB simulations of energy relaxation in polycyclic aromatic hydrocarbons.Physical chemistry chemical physics : PCCP · 2024Review
- Low-Energy Transformation Pathways between Naphthalene Isomers.Molecules (Basel, Switzerland) · 2023Article
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Authors and funding
31 authors.
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Abstract
We investigated the dissociation of dications and trications of three polycyclic aromatic hydrocarbons (PAHs), fluorene, phenanthrene, and pyrene. PAHs are a family of molecules ubiquitous in space and involved in much of the chemistry of the interstellar medium. In our experiments, ions are formed by interaction with 30.3 nm extreme ultraviolet (XUV) photons, and their velocity map images are recorded using a PImMS2 multi-mass imaging sensor. Application of recoil-frame covariance analysis allows the total kinetic energy release (TKER) associated with multiple fragmentation channels to be determined to high precision, ranging 1.94-2.60 eV and 2.95-5.29 eV for the dications and trications, respectively. Experimental measurements are supported by Born-Oppenheimer molecular dynamics (BOMD) simulations.
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