Self-assembly of bimodal particles inside emulsion droplets

Young-Sang Cho; Gi-Ra Yi; Seung-Man Yang; Young-Kuk Kim; Chul-Jin Choi

doi:10.1117/12.861029

30 August 2010 Self-assembly of bimodal particles inside emulsion droplets

Young-Sang Cho, Gi-Ra Yi, Seung-Man Yang, Young-Kuk Kim, Chul-Jin Choi

Proceedings Volume 7758, Physical Chemistry of Interfaces and Nanomaterials IX; 77580K (2010) https://doi.org/10.1117/12.861029
Event: SPIE NanoScience + Engineering, 2010, San Diego, California, United States

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.

Citation Download Citation

Young-Sang Cho, Gi-Ra Yi, Seung-Man Yang, Young-Kuk Kim, and Chul-Jin Choi "Self-assembly of bimodal particles inside emulsion droplets", Proc. SPIE 7758, Physical Chemistry of Interfaces and Nanomaterials IX, 77580K (30 August 2010); https://doi.org/10.1117/12.861029

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