Self-Assembly of Two-Dimensional Patchy Colloidal Dumbbells
We study the self-assembly of two-dimensional patchy colloidal dumbbells, which are composed of attractive and repulsive circles. The shape of a colloidal dumbbell is characterized by the ratio of the diameters of the two circles forming it, q, and the dimensionless distance between the centers of m...
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| Veröffentlicht in: | Journal of the Physical Society of Japan 2018-06, Vol.87 (6), p.64601 |
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| container_title | Journal of the Physical Society of Japan |
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| creator | Nakamura, Kanji Sato, Masahide |
| description | We study the self-assembly of two-dimensional patchy colloidal dumbbells, which are composed of attractive and repulsive circles. The shape of a colloidal dumbbell is characterized by the ratio of the diameters of the two circles forming it, q, and the dimensionless distance between the centers of mass of the two circles, l. We carry out Monte Carlo simulations and show that various self-assembled structures, micelles, elongated micelles, straight string, a meshlike structure, and large clusters with voids, are formed by changing the combination of q and l. q represents the steric effect of the repulsive part of colloidal dumbbells. l represents the anisotropy of the particle shape and increasing the periphery of attractive part. From our simulations, we find that the shapes of self-assembled structures are more sensitive to q than to l. |
| doi_str_mv | 10.7566/JPSJ.87.064601 |
| format | Article |
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| ispartof | Journal of the Physical Society of Japan, 2018-06, Vol.87 (6), p.64601 |
| issn | 0031-9015 1347-4073 |
| language | eng |
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| source | Alma/SFX Local Collection |
| subjects | Anisotropy Charged particles Circles (geometry) Colloids Computer simulation Crystal structure Electric properties Elongated structure Micelles Particle physics Particle shape Self-assembly |
| title | Self-Assembly of Two-Dimensional Patchy Colloidal Dumbbells |
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