Structural characterization of systems with competing interactions confined in narrow spherical shells

Serna, Horacio; Meyra, Ariel G.; Noya, Eva G.; Góźdź, Wojciech T.

doi:10.1039/d3sm00442b

Cited by 2 publications

(2 citation statements)

References 49 publications

(114 reference statements)

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“…The studies on SALR fluid on spherical surfaces and SALR colloids in spherical shells focused on quasi-two-dimensional systems, characterized by a single layer of particles. 54,55 In these singlelayer systems, it is impossible to investigate the phenomenon about multiple layers, for example the competition between interlayer energy and intralayer energy results in more perforated lamellar structure formation in the current work.…”

Section: Discussionmentioning

confidence: 93%

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Self-assembly of colloids with competing interactions confined in spheres

Li,

Qing

et al. 2024

Soft Matter

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Section: Discussionmentioning

confidence: 93%

“…30,38,39,[43][44][45][46]53 SALR fluid on spherical surfaces and SALR colloids forming cylindrical structures within spherical shells have also been studied recently. 54,55 However, the selfassembly of colloids with SALR interactions confined in a spherical cavity is not fully understood yet.…”

Section: Introductionmentioning

confidence: 99%

Self-assembly of colloids with competing interactions confined in spheres

Li,

Qing

et al. 2024

Soft Matter

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Adsorption on a Spherical Colloidal Particle from a Mixture of Nanoparticles with Competing Interactions

Litniewski,

Góźdź,

Ciach

2024

Molecules

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Adsorption of nanoparticles on a spherical colloidal particle is studied by molecular dynamics simulations. We consider a generic model for a mixture of nanoparticles with energetically favored self-assembly into alternating layers of the two components. When both components are attracted to the colloidal particle, the adsorbed nanoparticles self-assemble either into alternating parallel tori and clusters at the two poles of the colloidal particle, or into alternating spirals wrapped around the spherical surface. The long-lived metastable states obtained in simulations follow from the spherical shape of the adsorbing surface and the requirement that the neighboring chains of the nanoparticles are composed of different components. A geometrical construction leading to all such patterns is presented. When the second component particles are repelled from the colloidal particle and the attraction of the first component is strong, the attracted particles form a monolayer at the surface of the colloidal particle that screens the repulsion of the second component. The subsequent adsorbed alternating spherical layers of the two components form together a thick shell. This structure leads to the adsorption that is larger than in the case of the same attraction of the two components to the colloidal particle.

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Structural characterization of systems with competing interactions confined in narrow spherical shells

Abstract: Systems with short-range attraction and long-range repulsion can form ordered microphases in bulk and under confinement. In fact, confinement has been proven a good strategy to induce the formation of...

Cited by 2 publications

References 49 publications

Self-assembly of colloids with competing interactions confined in spheres

Self-assembly of colloids with competing interactions confined in spheres

Adsorption on a Spherical Colloidal Particle from a Mixture of Nanoparticles with Competing Interactions

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