[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 …

Overcoming Debye screening effect in field-effect transistors for enhanced biomarker detection sensitivity

Q Meng, H Li, W Zhao, M Song, W Zhang, X Li, J Chen… - Nanoscale, 2024 - pubs.rsc.org
Field-effect transistor (FET)-based biosensors not only enable label-free detection by
measuring the intrinsic charges of biomolecules, but also offer advantages such as high …

Investigation of the limits of the linearized Poisson–Boltzmann equation

GM Silva, X Liang… - The Journal of Physical …, 2022 - ACS Publications
This work presents a comparison between a numerical solution of the Poisson–Boltzmann
equation and the analytical solution of its linearized version through the Debye–Hückel …

[HTML][HTML] Comparisons of equation of state models for electrolytes: e-CPA and e-PPC-SAFT

MD Olsen, GM Kontogeorgis, JC de Hemptinne… - Fluid Phase …, 2023 - Elsevier
Many different models have been published with the aim of describing electrolyte
thermodynamics. In this study two successful Equations of State (EoS) are compared. The …

[HTML][HTML] How to account for the concentration dependency of relative permittivity in the Debye–Hückel and Born equations

GM Silva, X Liang, GM Kontogeorgis - Fluid Phase Equilibria, 2023 - Elsevier
This work discusses the introduction of the concentration dependency of relative permittivity
in the context of activity coefficient models at different stages of the derivation of the models …

Ionization difference between weak and strong electrolytes as perturbed by conductivity spectra analysis

V Artemov, A Ryzhov, H Ouerdane… - The Journal of …, 2022 - ACS Publications
While the static structure of aqueous electrolytes has been studied for decades, their
dynamic microscopic structure remains unresolved yet critical in many areas. We report a …

The Connection between the Debye and Güntelberg Charging Processes and the Importance of Relative Permittivity: The Ionic Cloud Charging Process

GM Silva, X Liang… - Journal of Chemical & …, 2023 - ACS Publications
The Debye and Güntelberg Charging Processes are essential tools for deriving electrolyte
solutions' activity coefficient models. The Debye–Hückel, Born, and Mean Spherical …

[HTML][HTML] The true Hückel equation for electrolyte solutions and its relation with the Born term

GM Silva, X Liang, GM Kontogeorgis - Journal of Molecular Liquids, 2022 - Elsevier
In this work we present Hückel's original derivation and considerations, verifying the
approximations that were done in his paper. More complex equations are obtained by not …

[HTML][HTML] Behavior of the aqueous sodium chloride solutions from molecular simulations and theories

J Tong, B Peng, GM Kontogeorgis, X Liang - Journal of Molecular Liquids, 2023 - Elsevier
Molecular simulations and theories are important tools for studying electrolyte solutions. In
this work, molecular dynamics simulations with one of the most widely used force field …

[HTML][HTML] Resurrection of Hückel's idea: Decoupling ion–ion and ion–water terms in activity coefficients via the state-dependent dielectric constant

M Valiskó, D Boda - Fluid Phase Equilibria, 2023 - Elsevier
Although Hückel proposed the basic idea of using a concentration dependent dielectric
constant, ϵ (c), to compute the activity coefficients of ions in electrolytes in 1925 (Hückel …