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Related papers: Self Assembly of Janus Ellipsoids

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In this article, we study the phenomenology of a two dimensional dilute suspension of active amphiphilic Janus particles. We analyze how the morphology of the aggregates emerging from their self-assembly depends on the strength and the…

Soft Condensed Matter · Physics 2021-03-03 S. A. Mallory , F. Alarcon , A. Cacciuto , C. Valeriani

Due to the combined effect of anisotropic interactions and activity, Janus swimmers are capable to self-assemble in a wide variety of structures, many more than their equilibrium counterpart. This might lead to the development of novel…

Soft Condensed Matter · Physics 2019-06-26 Francisco Alarcon , Eloy Navarro-Argemí , Chantal Valeriani , Ignacio Pagonabarraga

We investigate the structure formation of amphiphilic molecules at planar walls using density functional theory. The molecules are modeled as (hard) spheres composed of a hydrophilic and hydrophobic part. The orientation of the resulting…

Soft Condensed Matter · Physics 2015-05-20 Gerald Rosenthal , Sabine H. L. Klapp

We investigate the equilibrium orientation and adsorption process of a single, ellipsoidal Janus particle at a fluid-fluid interface. The particle surface comprises equally sized parts that are hydrophobic or hydrophilic. We present free…

Soft Condensed Matter · Physics 2020-09-30 Florian Günther , Qingguang Xie , Jens Harting

Colloidal assembly at fluid interfaces has a great potential for the bottom-up fabrication of novel structured materials. However, challenges remain in realizing controllable and tunable assembly of particles into diverse structures.…

Soft Condensed Matter · Physics 2020-12-29 Qingguang Xie , Jens Harting

Active colloidal systems with non-equilibrium self-organization is a long-standing, challenging area in biology. To understand how hydrodynamic flow may be used to actively control self-assembly of Janus particles (JPs), we use a model…

Soft Condensed Matter · Physics 2022-08-09 Szu-Pei Fu , Rolf Ryham , Bryan Quaife , Y. -N. Young

Ellipsoidal particles confined at liquid interfaces exhibit complex self-assembly behaviour due to quadrupolar capillary interactions induced by meniscus deformation. These interactions cause particles to attract each other in either…

We use computer simulation to investigate the self-assembly of Janus-like amphiphilic peanut-shaped nanoparticles, finding phases of clusters, bilayers and micelles in accord with ideas of packing familiar from the study of molecular…

Soft Condensed Matter · Physics 2010-02-20 Stephen Whitelam , Stefan A. F. Bon

In this review we discuss recent advances in the self-assembly of self-propelled colloidal particles and highlight some of the most exciting results in this field with a specific focus on dry active matter. We explore this phenomenology…

Soft Condensed Matter · Physics 2021-02-24 S. A. Mallory , C. Valeriani , A. Cacciuto

We characterize the self-assembly and phase behavior of Janus rods over a broad range of temperatures and volume fractions, using Langevin dynamics simulations and free energy calculations. The Janus rods consist of a line of fused…

The unique physical and optical properties of nanoparticles make their reliable and rapid assembly an important goal for nanotechnology. To this end, many competing driving forces have been targeted to control the self-assembly, though…

Mesoscale and Nanoscale Physics · Physics 2017-09-21 Benjamin F. Porter , Mercè Pacios , Harish Bhaskaran

A class of binary mixtures of Janus fluids formed by colloidal spheres with the hydrophobic hemispheres constrained to point either up or down are studied by means of Gibbs ensemble Monte Carlo simulations and simple analytical…

Soft Condensed Matter · Physics 2013-11-14 Riccardo Fantoni , Achille Giacometti , Miguel Ángel G. Maestre , Andrés Santos

Self-assembly of Janus (or `patchy') particles is dependent on the precise interaction between neighbouring particles. Here, the orientations of two amphiphilic Janus spheres within a dimer in an explicit fluid are studied with high…

Soft Condensed Matter · Physics 2021-08-18 Sina Safaei , Caleb Todd , Jack Yarndley , Shaun Hendy , Geoff R. Willmott

We develop a new model, to our knowledge, for the many-body hydrodynamics of amphiphilic Janus particles suspended in a viscous background flow. The Janus particles interact through a hydrophobic attraction potential that leads to…

Soft Condensed Matter · Physics 2021-10-05 Szu-Pei Fu , Bryan Quaife , Rolf Ryham , Yuan-Nan Young

The micro/nano encapsulation technology has acquired considerable attention in the fields of drug delivery, biomaterial engineering, and materials science. Based on recent advances in chemical particle synthesis, we propose a primitive…

Soft Condensed Matter · Physics 2011-12-15 Wei Li , Ya Liu , Genevieve Brett , James D. Gunton

Capillary interactions can be used to direct assembly of particles adsorbed at fluid-fluid interfaces. Precisely controlling the magnitude and direction of capillary interactions to assemble particles into favoured structures for materials…

Soft Condensed Matter · Physics 2016-07-11 Qingguang Xie , Gary B. Davies , Jens Harting

We use Molecular Dynamics simulations to explore the properties of dimmeric Janus nanoparticles. The nanoparticles are modeled as dumbbells. One kind of monomer interacts by a Lennard-Jones potential, while the other specie of monomer…

Soft Condensed Matter · Physics 2016-06-22 José Rafael Bordin

Colloidal Janus spheres in water (one hemisphere attractive and the other repulsive) assemble into two-dimensional hexagonal crystals with orientational order controlled by anisotropic interactions. We exploit the decoupled translational…

Soft Condensed Matter · Physics 2014-06-11 Shan Jiang , Jing Yan , Jonathan K. Whitmer , Stephen M. Anthony , Erik Luijten , Steve Granick

We explore the pressure versus temperature phase diagram of dimeric Janus nanoparticles using Molecular Dynamics simulations. The nanoparticle was modeled as a dumbbells particle, and have one monomer that interacts by a standard Lennard…

Soft Condensed Matter · Physics 2015-04-29 José Rafael Bordin , Leandro B. Krott , Marcia C. Barbosa

A mesoscopic hydrodynamic model to simulate synthetic self-propelled Janus particles which is thermophoretically or diffusiophoretically driven is here developed. We first propose a model for a passive colloidal sphere which reproduces the…

Soft Condensed Matter · Physics 2014-03-05 Mingcheng Yang , Adam Wysocki , Marisol Ripoll
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