Zobrazeno 1 - 10
of 449
pro vyhledávání: '"Van Roij, René"'
Autor:
Veenstra, Tim, Campos-Villalobos, Gerardo, Giunta, Giuliana, van Roij, René, Dijkstra, Marjolein
We employ molecular dynamics simulations to investigate ion and water transport driven by an electric field through quasi-two-dimensional nanoslits with a tapered geometry. Despite the absence of surface charge on the channel walls and the associated
Externí odkaz:
http://arxiv.org/abs/2407.10658
Autor:
Dijkman, Jacobus, Dijkstra, Marjolein, van Roij, René, Welling, Max, van de Meent, Jan-Willem, Ensing, Bernd
The intrinsic Helmholtz free-energy functional, the centerpiece of classical density functional theory (cDFT), is at best only known approximately for 3D systems. Here we introduce a method for learning a quasi-exact neural-network approximation of t
Externí odkaz:
http://arxiv.org/abs/2403.15007
Publikováno v:
Phys. Rev. Lett. (2023) 130, 058001
While important for many industrial applications, chemical reactions responsible for charging of solids in water are often poorly understood. We theoretically investigate the charging kinetics of solid-liquid interfaces, and find that the time-depend
Externí odkaz:
http://arxiv.org/abs/2210.15426
Publikováno v:
Proc. Natl. Acad. Sci. U.S.A. 120, e2213044120 (2023)
Sedimentation is a ubiquitous phenomenon across many fields of science, such as geology, astrophysics, and soft matter. Sometimes, sedimentation leads to unusual phenomena, such as the Brazil-nut effect, where heavier (granular) particles reside on t
Externí odkaz:
http://arxiv.org/abs/2208.11102
Autor:
Aarts, Mark, Boon, Willem, Cuénod, Blaise, Dijkstra, M., van Roij, René, Alarcon-Llado, Esther
Fluidic devices exhibiting ion current rectification (ICR), or ionic diodes, are of broad interest for applications including desalination, energy harvesting, and sensing, amongst others. For such applications a large conductance is desirable which c
Externí odkaz:
http://arxiv.org/abs/2206.14594
Using both analytic and numerical analyses of the Poisson-Nernst-Planck equations we theoretically investigate the electric conductivity of a conical channel, which in accordance with recent experiments exhibits a strong non-linear pressure dependenc
Externí odkaz:
http://arxiv.org/abs/2205.02002
Understanding how electrolyte-filled porous electrodes respond to an applied potential is important to many electrochemical technologies. Here, we consider a model supercapacitor of two blocking cylindrical pores on either side of a cylindrical elect
Externí odkaz:
http://arxiv.org/abs/2204.01384
We study the dynamical steady-states of a monolayer of chemically active self-phoretic colloids as a function of packing fraction and self-propulsion speed by means of Brownian dynamics simulations. We focus on the case that a chemical field induces
Externí odkaz:
http://arxiv.org/abs/2203.05213
Autor:
Kumar, Saravana, Cats, Peter, Alotaibi, Mohammed B., Ayirala, Subhash C., Yousef, Ali A., van Roij, René, Siretanu, Igor, Mugele, Frieder
Recent experiments and a series of subsequent theoretical studies suggest the occurrence of universal underscreening in highly concentrated electrolyte solutions. We performed a set of systematic Atomic Force Spectroscopy measurements for aqueous sal
Externí odkaz:
http://arxiv.org/abs/2201.08667
Autor:
Cats, Peter, van Roij, René
In this work we theoretically study the differential capacitance of an aqueous electrolyte in contact with a planar electrode, using classical Density Functional Theory, and show how this measurable quantity can be used as a probe to better understan
Externí odkaz:
http://arxiv.org/abs/2107.10514