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Hierarchical Colloidal Polymeric Structure from Surfactant-Like Amphiphiles in Selective Solvents
- Wang, Chenglin, Ma, Shiying, Hu, Yi, Wang, Rong
- Langmuir 2017 v.33 no.14 pp. 3427-3433
- micelles, nanotechnology, polymers, solvents, surfactants
- We investigated the self-assembly of surfactant-like amphiphiles consisting of a hydrophilic head and a hydrophobic tail using the dissipative particle dynamics method. By controlling the interaction parameter between the hydrophilic head and the solvent, the length of the hydrophobic tail, the size of the hydrophilic head, and the polymer concentration, we found seven self-assembled morphologies, including spherelike micelles, pomegranate-like micelles, hierarchical colloidal polymeric (HCP) structures, pomegranate-like columnar structures, branched hybrid structures, disklike micelles, and vesicles. Importantly, the HCP structure widely existing in this system has a regular two-component alternating structure and prospective application in soft-matter nanotechnology. The formation process and the structural properties of the HCP structure are intensively studied. The dimension of the HCP structure is largely controlled by the hydrophobic tail and the polymer concentration.