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|Title:||Flow-induced morphologies of diblock copolymers in a nanotube studied by dissipative particle dynamics simulation|
Dissipative particle dynamics
|Citation:||Feng, J., Liu, H., Hu, Y., Jiang, J. (2008-07-24). Flow-induced morphologies of diblock copolymers in a nanotube studied by dissipative particle dynamics simulation. Macromolecular Theory and Simulations 17 (4-5) : 163-170. ScholarBank@NUS Repository. https://doi.org/10.1002/mats.200800005|
|Abstract:||Morphologies of diblock copolymers confined in a cylindrical nanotube under a Poiseuille flow were studied by dissipative particle dynamics simulation. Varying with flow intensity, a symmetric diblock copolymer in a neutral tube exhibits parallel lamellae or stacked disks, stacked bowls, or cylinders; the morphologies in a non-neutral tube are relatively less influenced by flow. An asymmetric diblock copolymer is helical in a neutral tube, but becomes hexagonal under flow; the morphologies in a non-neutral tube are parallel to the tube axis and vary in a less pronounced manner than in a neutral tube. The simulation results reveal that confinement and external flow significantly affect the phase transitions among a variety of morphologies, particularly for copolymers with domains not parallel to the tube axis. © 2008 WILEY-VCH Verlag GmbH & Co. KGaA.|
|Source Title:||Macromolecular Theory and Simulations|
|Appears in Collections:||Staff Publications|
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