ArticleThe journal of physical chemistry letters2023
Wetting of a Hydrophobic Surface: Far-IR Action Spectroscopy and Dynamics of Microhydrated Naphthalene.
Article in The journal of physical chemistry letters, 2023. 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.
- Structure of Water in the First Hydration Shell of the Highly Hydrophobic Anthracene.The journal of physical chemistry. A · 2026Article
- Cluster Anions of Hydrated Polycyclic Aromatic Hydrocarbons: "Magic" Water Tetramer.The journal of physical chemistry. A · 2026Article
- Infrared Spectroscopy of Neutral and Cationic Sumanene (CACS earth & space chemistry · 2025Article
- Laboratory infrared spectra and fragmentation chemistry of sulfur allotropes.Nature communications · 2024Article
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Authors and funding
8 authors.
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Abstract
The interaction of water and polycyclic aromatic hydrocarbons is of fundamental importance in areas as diverse as materials science and atmospheric and interstellar chemistry. The interplay between hydrogen bonding and dipole-π interactions results in subtle dynamics that are challenging to describe from first principles. Here, we employ far-IR action vibrational spectroscopy with the infrared free-electron laser FELIX to investigate naphthalene with one to three water molecules. We observe diffuse bands associated with intermolecular vibrational modes that serve as direct probes of the loose binding of water to the naphthalene surface. These signatures are poorly reproduced by static DFT or Møller-Plesset computations. Instead, a rationalization is achieved through Born-Oppenheimer Molecular Dynamics simulations, revealing the active mobility of water over the surface, even at low temperatures. Therefore, our work provides direct insights into the wetting interactions associated with shallow potential energy surfaces while simultaneously demonstrating a solid experimental-computational framework for their investigation.
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