Understanding specific ion effects and the Hofmeister series

KP Gregory, GR Elliott, H Robertson, A Kumar… - Physical Chemistry …, 2022 - pubs.rsc.org
Specific ion effects (SIE), encompassing the Hofmeister Series, have been known for more
than 130 years since Hofmeister and Lewith's foundational work. SIEs are ubiquitous and …

[HTML][HTML] The known-unknowns of anomalous underscreening in concentrated electrolytes

GR Elliott, KP Gregory, H Robertson, VSJ Craig… - Chemical Physics …, 2024 - Elsevier
Electrolytes are central to life and technology but lack complete understanding. Recent
experiments with highly concentrated electrolytes have revealed electrostatic decay lengths …

Primitive model electrolytes in the near and far field: Decay lengths from DFT and simulations

P Cats, R Evans, A Härtel, R Van Roij - The Journal of chemical …, 2021 - pubs.aip.org
Inspired by recent experimental observations of anomalously large decay lengths in
concentrated electrolytes, we revisit the Restricted Primitive Model (RPM) for an aqueous …

Anomalous underscreening in the restricted primitive model

A Härtel, M Bültmann, F Coupette - Physical Review Letters, 2023 - APS
Underscreening is a collective term for charge correlations in electrolytes decaying slower
than the Debye length. Anomalous underscreening refers to phenomenology that cannot be …

Structure and Screening in Confined Electrolytes: The Role of Ion Association

S Wang, H Tao, J Yang, J Cheng, H Liu… - The Journal of Physical …, 2024 - ACS Publications
The effect of ionic association on the structure and property of confined electrolytes is
investigated using the classical density functional theory. We find that ionic association …

Scaling perspectives of underscreening in concentrated electrolyte solutions

SA Safran, PA Pincus - Soft Matter, 2023 - pubs.rsc.org
We present a scaling view of underscreening observed in salt solutions in the range of
concentrations greater than about 1 M, in which the screening length increases with …

[HTML][HTML] Absence of anomalous underscreening in highly concentrated aqueous electrolytes confined between smooth silica surfaces

S Kumar, P Cats, MB Alotaibi, SC Ayirala… - Journal of colloid and …, 2022 - Elsevier
Recent surface forces apparatus experiments that measured the forces between two mica
surfaces and a series of subsequent theoretical studies suggest the occurrence of universal …

Solvent effects on structure and screening in confined electrolytes

J Yang, S Kondrat, C Lian, H Liu, A Schlaich, C Holm - Physical Review Letters, 2023 - APS
Using classical density functional theory, we investigate the influence of solvent on the
structure and ionic screening of electrolytes under slit confinement and in contact with a …

Molecular forces in liquid–liquid extraction

M Špadina, JF Dufrêche, S Pellet-Rostaing… - Langmuir, 2021 - ACS Publications
The phase transfer of ions is driven by gradients of chemical potentials rather than
concentrations alone (ie, by both the molecular forces and entropy). Extraction is a …

Bulk ionic screening lengths from extremely large-scale molecular dynamics simulations

J Zeman, S Kondrat, C Holm - Chemical Communications, 2020 - pubs.rsc.org
Recent experiments have reported anomalously large screening lengths of interactions
between charged surfaces confining concentrated electrolytes and ionic liquids. Termed …