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Proceedings Paper

Self-assembly of bimodal particles inside emulsion droplets
Author(s): Young-Sang Cho; Gi-Ra Yi; Seung-Man Yang; Young-Kuk Kim; Chul-Jin Choi
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Paper Abstract

Colloidal dispersion of bimodal particles were self-organized inside water-in-oil emulsion droplets by evaporationdriven self-assembly method. After droplet shrinkage by heating the complex fluid system, small numbers of microspheres were packed into minimal second moment clusters, which are partially coated with silica nanospheres, resulting in the generation of patchy particles. The patchy particles in this study possess potential applications for selfassembly of non-isotropic particles such as dimmers or tetramers for colloidal photonic crystals with diamond lattice structures. The composite micro-clusters of amidine polystyrene microspheres and titania nanoparticles were also generated by evaporation-driven self-assembly to fabricate nonspherical hollow micro-particles made of titania shell.

Paper Details

Date Published: 30 August 2010
PDF: 7 pages
Proc. SPIE 7758, Physical Chemistry of Interfaces and Nanomaterials IX, 77580K (30 August 2010); doi: 10.1117/12.861029
Show Author Affiliations
Young-Sang Cho, Korea Advanced Institute of Materials Science (Korea, Republic of)
Gi-Ra Yi, Chungbuk National Univ. (Korea, Republic of)
Seung-Man Yang, Korea Advanced Institute of Science and Technology (Korea, Republic of)
Young-Kuk Kim, Korea Advanced Institute of Materials Science (Korea, Republic of)
Chul-Jin Choi, Korea Advanced Institute of Materials Science (Korea, Republic of)


Published in SPIE Proceedings Vol. 7758:
Physical Chemistry of Interfaces and Nanomaterials IX
Oleg V. Prezhdo, Editor(s)

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