27 citations · 29 across the 14 of their papers we have counts for
7 papers · 1 filter
Diffusion of charged rods across 3D varying section channels
N. Ray, A. Semkiv, J. Harting +1
We analyze the transport of rod-like particles by diffusion and drift in a three-dimensional channel with varying circular or elliptic cross section. Applying the Fick-Jacobs appro…
Free-Energy Analysis of Bubble Nucleation on Electrocatalytic Surfaces
Qingguang Xie, Paolo Malgaretti, Othmane Aouane +2
Bubble nucleation at catalyst surfaces plays a critical role in the operation of electrolyzers. However, achieving controlled bubble nucleation remains challenging due to limited u…
Zigzagging Diffusion and Non-Standard Transport in Particle-laden Nanopores Under Extreme Confinement
A. Baer, P. Malgaretti, K. Hoellring +2
Understanding transport subject to molecular-scale confinement is key to advancing nanofluidics, yet classical hydrodynamic laws often fail at these scales. Here, we study a model…
Chemically reactive thin films: dynamics and stability
Tilman Richter, Paolo Malgaretti, Thomas M. Koller +1
Catalyst particles or complexes suspended in liquid films can trigger chemical reactions leading to inhomogeneous concentrations of reactants and products in the film. We demonstra…
Electroneutrality breakdown for electrolytes embedded in varying-section nanopores
P. Malgaretti, I. Pagonabarraga, J. Harting
We determine the local charge dynamics of a electrolyte embedded in a varying-section channel. By means of an expansion based on the length scale separation between the axial…
Closed formula for the transport of micro-nano-particle across model porous media
P. Malgaretti, J. Harting
In the last decade the Fick-Jacobs approximation has been exploited to capture the transport across constrictions. Here, we review the derivation of the Fick-Jacobs equation with p…
Phoretic colloids close to and trapped at fluid interfaces
Paolo Malgaretti, Jens Harting
The active motion of phoretic colloids leads them to accumulate at boundaries and interfaces. Such an excess accumulation, with respect to their passive counterparts, makes the dyn…