Nabil Laachi, Kris T. Delaney, Bongkeun Kim, Su-Mi Hur, Robert Bristol, David Shykind, Corey J. Weinheimer and Glenn H. Fredrickson Self-consistent field theory investigation of directed self-assembly in cylindrical confinement Journal of Polymer Science Part B: Polymer Physics
Self-consistent field theory is used to study the directed self-assembly of diblock copolymers under cylindrical confinement; this is particularly relevant in the case of the hole-shrink problem where cylindrical prepatterns are used to produce cylindrical holes with a reduced diameter. Simulations indicate that a variety of regular morphologies form inside the guiding hole, ranging from the highly desired cylindrical domain to disconnected beads and open rings. More complex geometries combining several of the regular morphologies are also observed.
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