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Related papers: Amphiphile Adsorption on Rigid Polyelectrolytes

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Electrodes composed of activated carbon (AC) particles can desalinate water by ion electrosorption. To describe ion electrosorption mathematically, accurate models are required for the structure of the electrical double layers (EDLs) that…

Chemical Physics · Physics 2015-09-22 P. M. Biesheuvel

Carbon materials have a range of properties such as high electrical conductivity, high specific surface area, and mechanical flexibility are relevant for electrochemical applications. Carbon materials are utilised in energy…

The study of competitive and cooperative adsorption of functionalized molecules such as polymers, rheology modifiers and surfactant molecules on colloidal particles immersed in a solvent is undertaken using coarse grained, dissipative…

Soft Condensed Matter · Physics 2014-06-13 A. Gama Goicochea

The adsorption of highly charged flexible polycations and polyanions on a charged cylindrical substrate is investigated by means of Monte Carlo (MC) simulations. A detailed structural study, including monomer and fluid charge distributions,…

Soft Condensed Matter · Physics 2007-05-23 Rene Messina

The behavior of polyelectrolytes between charged surfaces immersed in semi-dilute solutions is investigated theoretically. A continuum mean field approach is used for calculating numerically concentration profiles between two electrodes…

Soft Condensed Matter · Physics 2007-05-23 I. Borukhov , D. Andelman , H. Orland

The adsorption of polymer and surfactant molecules onto colloidal particles or droplets in solution can be characterized non-destructively by scattering techniques. In a first part, the general framework of Dynamic Light Scattering, Small…

Soft Condensed Matter · Physics 2007-05-24 Julian Oberdisse

The behavior of a polyelectrolyte adsorbed on a charged surface of high-dielectric constant is studied by both Monte-Carlo simulation and analytical methods. It is found that in a low ionic strength medium, the transition is first-order…

Soft Condensed Matter · Physics 2007-05-23 Chi-Ho Cheng , Pik-Yin Lai

Chain-like macromolecules (polymers) show characteristic adsorption properties due to their flexibility and internal degrees of freedom, when attracted to surfaces and interfaces. In this review we discuss concepts and features that are…

Soft Condensed Matter · Physics 2009-11-07 Roland Netz , David Andelman

The interaction between polyelectrolyte and ionic surfactant is of great importance in different areas of chemistry and biology. In this paper we present a theory of polyelectrolyte ionic-surfactant solutions. The new theory successfully…

Condensed Matter · Physics 2009-10-31 Paulo S. Kuhn , Yan Levin , Marcia C. Barbosa

Adsorption of charged polymers (polyelectrolytes) from a semi-dilute solution to a charged surface is investigated theoretically. We obtain simple scaling laws for (i) the amount of polymer adsorbed to the surface, Gamma, and (ii) the width…

Soft Condensed Matter · Physics 2009-10-30 I. Borukhov , D. Andelman , H. Orland

Based on extensive Monte Carlo simulations and analytical considerations we study the electrostatically driven adsorption of flexible polyelectrolyte chains onto charged Janus nanospheres. These net-neutral colloids are composed of two…

Soft Condensed Matter · Physics 2017-09-13 Sidney J. de Carvalho , Ralf Metzler , Andrey G. Cherstvy

Metallic ion adsorption on surfactant aggregates were studied with Molecular dynamics simulations. Using ionic salts, such as lead sulfate (PbSO$_4$) and aluminum sulfate [Al$_2$(SO$_4$)$_3$], adsorption of lead and aluminum were…

Soft Condensed Matter · Physics 2021-06-25 E. H. Chavez-Martinez , E. Cedillo-Cruz , H. Dominguez

Adsorption and catalytic properties of the polar (111) surface of transition-metal carbides (TMC's) are investigated by density-functional theory. Atomic and molecular adsorption are rationalized with the concerted-coupling model, in which…

Computational Physics · Physics 2010-05-05 Aleksandra Vojvodic , Anders Hellman , Carlo Ruberto , Bengt I. Lundqvist

A charge-carrier reservoir is necessary for electrostatic control of the carrier concentration in a solid. The source/drain electrodes serve as carrier reservoirs in a field-effect transistor, but it is still unknown what serves as a…

Applied Physics · Physics 2020-05-26 Ryo Nouchi , Kei-ichiro Ikeda

We examine the interactions between polyelectrolytes (PEs) and uncharged substrates at conditions corresponding to a dielectric discontinuity between the aqueous solution and the substrate. To this end, we vary the relevant system…

Soft Condensed Matter · Physics 2024-12-03 Hossein Vahid , Alberto Scacchi , Maria Sammalkorpi , Tapio Ala-Nissila

In a recent Letter, Gurovitch and Sens studied the adsorption of a weakly charged polyelectrolyte chain onto an oppositely charged colloidal particle. By using a variational technique they found that the colloidal particle can adsorb a…

Soft Condensed Matter · Physics 2009-10-31 Ramin Golestanian

We review a new theoretical approach to the kinetics of surfactant adsorption at fluid-fluid interfaces. It yields a more complete description of the kinetics both in the aqueous solution and at the interface, deriving all equations from a…

Soft Condensed Matter · Physics 2012-07-19 H. Diamant , D. Andelman

We show, with both experiment and theory, that adsorption of $CO_2$ is sensitive to charge on a capturing model carbonaceous surface. In the experiment we dope superfluid helium droplets with $C_{60}$ and $CO_2$ and expose them to ionising…

Atomic and Molecular Clusters · Physics 2016-09-06 Stefan Ralser , Alexander Kaiser , Michael Probst , Johannes Postler , Michael Renzler , Diethard K. Bohme , Paul Scheier

We study the selective adsorption of various cations into a layered slit system using grand canonical Monte Carlo simulations. The slit system is formed by a series of negatively charged membranes. The electrolyte contains two kinds of…

Soft Condensed Matter · Physics 2013-12-17 M. Valiskó , D. Henderson , D. Boda

Electrostatics plays a key role in biomolecular assembly. Oppositely charged biomolecules, for instance, can co-assembled into functional units, such as DNA and histone proteins into nucleosomes and actin-binding protein complexes into…

Materials Science · Physics 2009-11-11 Y. S. Velichko , M. Olvera de la Cruz