ArticleChemical science2022
Dielectric response of thin water films: a thermodynamic perspective.
Article in Chemical science, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed, 26 citations in OpenAlex.
- How reactive is water at the nanoscale and how to control it?Science advances · 2026Article
- Charge-Induced Polarization in Dielectric Particle Systems: A Geometry-Dependent Effect.Journal of chemical theory and computation · 2025Article
- Impedance of nanocapacitors from molecular simulations to understand the dynamics of confined electrolytes.Proceedings of the National Academy of Sciences of the United States of America · 2024Article
- Collective modes and quantum effects in two-dimensional nanofluidic channels.Faraday discussions · 2024Article
- Origin of dielectric polarization suppression in confined water from first principles.Chemical science · 2024Article
- Dielectric response of confined water films from a classical density functional theory perspective.Chemical science · 2023Article
Corrections and comments
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Authors and funding
2 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The surface of a polar liquid presents a special environment for the solvation and organization of charged solutes, which differ from bulk behaviors in important ways. These differences have motivated many attempts to understand electrostatic response at aqueous interfaces in terms of a spatially varying dielectric permittivity, typically concluding that the dielectric constant of interfacial water is significantly lower than in the bulk liquid. Such analyses, however, are complicated by the potentially nonlocal nature of dielectric response over the short length scales of interfacial heterogeneity. Here we circumvent this problem for thin water films by adopting a thermodynamic approach. Using molecular simulations, we calculate the solvent's contribution to the reversible work of charging a parallel plate capacitor. We find good agreement with a simple dielectric continuum model that assumes bulk dielectric permittivity all the way up to the liquid's boundary, even for very thin (∼1 nm) films. This comparison requires careful attention to the placement of dielectric boundaries between liquid and vapor, which also resolves apparent discrepancies with dielectric imaging experiments.
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Registered trials
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