Nanoparticles (NPs) and molecular surfactants are two classes of compounds which spontaneously localize at oil/water interfaces. Industrial and commercial applications of these systems often require precise two-dimensional organization of the localized NPs. An impediment to the realization of such systems is our under-developed understanding of the physics which governs the behavior of NPs in the presence of surfactants. Here we present a range of molecular dynamics simulation studies on non-ionic NP/surfactant systems. Analysis of the results allows us to relate the dispersive interactions of the NPs and surfactants to their physical behavior at oil/water interfaces.
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