140 citations · 481 across the 12 of their papers we have counts for
11 papers · 1 filter
Interaction between charge-regulated metal nanoparticles in an electrolyte solution
Amin Bakhshandeh, Alexandre P. dos Santos, Yan Levin
We present a theory which allows us to calculate the interaction potential between charge-regulated metal nanoparticles inside an acid-electrolyte solution. The approach is based o…
Electroosmosis as a probe for electrostatic correlations
Ivan Palaia, Igor M. Telles, Alexandre P. dos Santos +1
We study the role of ionic correlations on the electroosmotic flow in planar double-slit channels, without salt. We propose an analytical theory, based on recent advances in the un…
Interaction of Charged Colloidal Particles at the Air-Water Interface
Matheus Girotto, Alexandre P. dos Santos, Yan Levin
We study, using Monte Carlo simulations, the interaction between charged colloidal particles confined to the air-water interface. The dependence of force on ionic strength and coun…
Simulations of Coulomb systems with slab geometry using an efficient 3d Ewald summation method
Alexandre P. dos Santos, Matheus Girotto, Yan Levin
We present a new approach to efficiently simulate electrolytes confined between infinite charged walls using a 3d Ewald summation method. The optimal performance is achieved by sep…
Simulations of Polyelectrolyte Adsorption to a Dielectric Like-Charged Surface
Alexandre P. dos Santos, Matheus Girotto, Yan Levin
We explore, using the recently developed efficient Monte Carlo simulation method, the interaction of an anionic polyelectrolyte solution with a like-charged dielectric surface. In…
Effect of dielectric discontinuity on a spherical polyelectrolyte brush
Vinicius B. Tergolina, Alexandre P. dos Santos
In this paper we perform molecular dynamics simulations of a spherical polyelectrolyte brush and counterions in a salt-free medium. The dielectric discontinuity on the grafted nano…
Lattice Model of an Ionic Liquid at an Electrified Interface
Matheus Girotto, Thiago Colla, Alexandre P. dos Santos +1
We study ionic liquids interacting with electrified interfaces. The ionic fluid is modeled as a Coulomb lattice gas. We compare the ionic density profiles calculated using a popula…
Simulations of ionic liquids confined by metal electrodes using periodic Green functions
Matheus Girotto, Alexandre P. dos Santos, Yan Levin
We present an efficient method for simulating Coulomb systems confined by metal electrodes. The approach relies on Green functions techniques to obtain the electrostatic potential…
Simulations of Coulomb systems confined by polarizable surfaces using periodic Green functions
Alexandre P. dos Santos, Matheus Girotto, Yan Levin
We present an efficient approach for simulating Coulomb systems confined by planar polarizable surfaces. The method is based on the solution of Poisson equation using periodic Gree…
Ion specificity and the theory of stability of colloidal suspensions
Alexandre P. dos Santos, Yan Levin
A theory is presented which allow us to accurately calculate the critical coagulation concentration (CCC) of hydrophobic colloidal suspensions. For positively charged particles the…
Surface tensions and surface potentials of acid solutions
Alexandre P. dos Santos, Yan Levin
A theory is presented which allows us to quantitatively calculate the excess surface tension of acid solutions. The H^+, in the form of hydronium ion, is found to be strongly adsor…