Accéder directement au contenu Accéder directement à la navigation
Article dans une revue

Dipolar correlations in structured solvents under nanoconfinement

Abstract : We study electrostatic correlations in structured solvents confined to nanoscale systems. We derive variational equations of Netz-Orland type for a model liquid composed of finite size dipoles. These equations are solved for both dilute solvents and solvents at physiological concentrations in a slit nanopore geometry. Correlation effects are of major importance for the dielectric reduction and anisotropy of the solvent resulting from dipole image interactions and also lead to a reduction of van der Waals attractions between low dielectric bodies. Finally, by comparison with other recently developed self-consistent theories and experiments, we scrutinize the effect of solvent-membrane interactions on the differential capacitance of the charged liquid in contact with low dielectric substrates. The interfacial solvent depletion driven by solvent-image interactions plays the major role in the observed low values of the experimental capacitance data, while non-locality associated with the extended charge structure of solvent molecules only brings a minor contribution.
Type de document :
Article dans une revue
Liste complète des métadonnées
Contributeur : Lilloa Université de Lille <>
Soumis le : vendredi 7 mai 2021 - 11:00:45
Dernière modification le : mardi 18 mai 2021 - 11:06:05

Lien texte intégral




Sahin Buyukdagli, Ralf Blossey. Dipolar correlations in structured solvents under nanoconfinement. Journal of Chemical Physics, American Institute of Physics, 2014, The Journal of Chemical Physics, 140 (23), pp.234903. ⟨10.1063/1.4881604⟩. ⟨hal-03220420⟩



Consultations de la notice