ArticleNature communications2023
Nanoscale thermodynamics needs the concept of a disjoining chemical potential.
Article in Nature communications, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed.
- Thermodynamics of Interfacial Water Confinement Reveal Altered Mechanical Properties in Polysaccharides Films.ACS polymers Au · 2026Article
- How to Compute Density Fluctuations at the Nanoscale.Journal of chemical theory and computation · 2025Article
- Nanothermodynamics: There's Plenty of Room on the Inside.Nanomaterials (Basel, Switzerland) · 2024Review
- Rewritable printing of ionic liquid nanofilm utilizing focused ion beam induced film wetting.Nature communications · 2024Article
- Small and Simple Systems That Favor the Arrow of Time.Entropy (Basel, Switzerland) · 2024Article
- Thermometry on individual nanoparticles highlights the impact of bimetallic interfaces.Nature communications · 2023Article
- Thermodynamics, statistical mechanics and the vanishing pore width limit of confined fluids.Communications physics · 2023Article
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Authors and funding
1 author.
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Abstract
Disjoining pressure was discovered by Derjaguin in 1930's, which describes the difference between the pressure of a strongly confined fluid and the corresponding one in a bulk phase. It has been revealed recently that the disjoining pressure is at the origin of distinct differential and integral surface tensions for strongly confined fluids. Here we show how the twin concept, disjoining chemical potential, arises in a reminiscent way although it comes out eighty years later. This twin concept advances our understanding of nanoscale thermodynamics. Ensemble-dependence (or environment-dependence) is one hallmark of thermodynamics of small systems. We show that integral surface tension is ensemble-dependent while differential surface tension is not. Moreover, two generalized Gibbs-Duhem equations involving integral surface tensions are derived, as well as two additional adsorption equations relating surface tensions to adsorption-induced strains. All the results obtained in this work further evidence that an approach alternative of Hill's nanothermodynamics is possible, by extending Gibbs surface thermodynamics instead of resorting to Hill's replica trick. Moreover, we find a compression-expansion hysteresis without any underlying phase transition.
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