Packing core–corona particles on a spherical surface

Pérez-Figueroa, S E; Gallegos-Lozano, Andrés; Mendoza, Carlos I.

doi:10.1039/d2sm00719c

Cited by 3 publications

(3 citation statements)

References 56 publications

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“…The shape and the type of interaction between colloidal particles combined with the presence of distinct confining surfaces have key roles in self-assembly, phase separation, interfacial activities and anomalous behavior of systems modeled by CS potentials [49][50][51][52][53]. Those peculiarities are in agreement with several experiments involving colloidal cluster, formation of self-assembled mesophases, layering packing and synthesis of new structures using amphiphilic molecules [54][55][56][57][58][59].…”

Section: Of 12supporting

confidence: 85%

How Dimensionality Affects the Structural Anomaly in a Core-Softened Collo

Krott¹,

Bordin²

2023

Preprint

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The interaction between hard-core soft-shell colloids are characterized by having two characteristic distances: one associated with the penetrable, soft corona and another one corresponding to the impenetrable core. Isotropic core-softened potentials with two characteristic length scales have long been applied to understand the properties of such colloids. Those potentials usually show waterlike anomalies, and recent findings have indicated the existence of multiple anomalous regions in the 2D limit under compression, while in 3D only one anomalous region is observed. In this direction, we perform Molecular Dynamics simulations to unveil the details about the structural behavior in the quasi-2D limit of a core-softened colloid. The fluid was confined between highly repulsive solvophobic walls, and the behavior at distinct wall separation and colloid density was analyzed. Our results indicated a straight relation between the 2D or 3D-like behavior and the layers separation. We can relate that if the system behaves as independent 2D-layers, it will have a 2D-like behavior. However, for some separations the layers are connected, with colloids hopping from one layer to another – having then a 3D-like structural behavior. Those findings fill the gap in the depiction of the anomalous behavior from 2D to 3D.

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Section: Of 12supporting

confidence: 85%

How Dimensionality Affects the Structural Anomaly in a Core-Softened Collo

Krott¹,

Bordin²

2023

Preprint

View full text Add to dashboard Cite

show abstract

“…The shape and the type of interaction between colloidal particles combined with the presence of distinct confining surfaces play major roles in self-assembly, phase separation, interfacial activities, and anomalous behaviors of systems modeled by CS potentials [49][50][51][52][53]. Those peculiarities are in agreement with several experiments involving colloidal clusters, the formation of self-assembled mesophases, layering packing, and the synthesis of new structures using amphiphilic molecules [54][55][56][57][58][59].…”

Section: Introductionsupporting

confidence: 84%

How Dimensionality Affects the Structural Anomaly in a Core-Softened Colloid

Krott

Bordin

2023

Colloids and Interfaces

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The interaction between hard core–soft shell colloids are characterized by having two characteristic distances: one associated with the penetrable, soft corona and another one corresponding to the impenetrable core. Isotropic core-softened potentials with two characteristic length scales have long been applied to understand the properties of such colloids. Those potentials usually show water-like anomalies, and recent findings have indicated the existence of multiple anomalous regions in the 2D limit under compression, while in 3D, only one anomalous region is observed. In this direction, we perform molecular dynamics simulations to unveil the details about the structural behavior in the quasi-2D limit of a core-softened colloid. The fluid was confined between highly repulsive solvophobic walls, and the behavior at distinct wall separations and colloid densities was analyzed. Our results indicated a straight relation between the 2D- or 3D-like behavior and layer separation. We can relate that if the system behaves as independent 2D-layers, it will have a 2D-like behavior. However, for some separations, the layers are connected, with colloids hopping from one layer to another, thus having a 3D-like structural behavior. These findings fill the gap in the depiction of the anomalous behavior from 2D to 3D.

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“…This interaction specifically refers to In addition to power-law repulsive interactions and attractive interactions, there are various specific forms of interactions with different ranges and strengths. Examples include core-corona interactions [73,76], DNA complementary base pairing [72], segment-segment interaction in copolymers [74,75,77], and volume exclusion in hard particles [78,79], among others, as shown in Figure 5. The interactions between particles influence the aggregate structure; long-range interaction systems are more dominated by enthalpy, while shortrange interaction systems are more dominated by entropy.…”

Section: Factors Controlling Self-assembly In Curved Spacesmentioning

confidence: 99%

Self-Assembly in Curved Space: Ordering, Defect and Entropy

Wang,

Wan,

Gao

et al. 2024

Processes

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Self-assembly of nanoscale objects is of essential importance in materials science, condensed matter physics, and biophysics. Curvature modifies the principles and sequence of self-assembly in Euclidean space, resulting in unique and more complex structures. Understanding self-assembly behavior in curved space is not only instrumental for designing structural building blocks and assembly processes from a bottom-up perspective but is also critically important for delineating various biological systems. In this review, we summarize efforts made to unveil the physical nature of self-assembly in curved space through experiments and simulations. First, we outline the differences in the physical nature of self-assembly between curved space and Euclidean space by presenting relevant results of experiments and simulations. Second, we explore the principles of self-assembly in curved space at multiple scales and interactions, elucidating important factors that govern the self-assembly process from the perspectives of confinement and structural building blocks. Finally, we enumerate practical applications and control strategies for self-assembly in curved space and outline the challenges and prospects in this field. We hope that this review will encourage further efforts toward fundamental research and broaden the potential applications of designed assemblies in curved space.

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Packing core–corona particles on a spherical surface

Abstract: We explore the non-trivial structures that can be obtained by the assembly of repulsive core-corona particles confined on a spherical surface. Using Monte Carlo simulations, we study the low-temperature equilibrium...

Cited by 3 publications

References 56 publications

How Dimensionality Affects the Structural Anomaly in a Core-Softened Collo

How Dimensionality Affects the Structural Anomaly in a Core-Softened Collo

How Dimensionality Affects the Structural Anomaly in a Core-Softened Colloid

Self-Assembly in Curved Space: Ordering, Defect and Entropy

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