Journal
PHYSICAL REVIEW E
Volume 80, Issue 2, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevE.80.021404
Keywords
aggregates (materials); colloidal crystals; liquid structure; liquid theory; molecular dynamics method; self-assembly
Categories
Funding
- National Science Foundation [DMR-0846426]
- Columbia University
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From dumbbells to fcc crystals, we study the self-assembly pathway of amphiphatic spherical colloidal particles as a function of the size of the hydrophobic region using molecular-dynamics simulations. Specifically, we analyze how local interparticle interactions correlate to the final self-assembled aggregate and how they affect the dynamical pathway of structure formation. We present a detailed diagram separating the many phases that we find for different sizes of the hydrophobic area and uncover a narrow region where particles self-assemble into hollow faceted cages that could potentially find interesting engineering applications.
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