Please use this identifier to cite or link to this item: https://doi.org/10.1002/mats.200800005
Title: Flow-induced morphologies of diblock copolymers in a nanotube studied by dissipative particle dynamics simulation
Authors: Feng, J.
Liu, H.
Hu, Y.
Jiang, J. 
Keywords: Diblock copolymer
Dissipative particle dynamics
Morphology
Nanotube
Poiseuille flow
Issue Date: 24-Jul-2008
Source: 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
URI: http://scholarbank.nus.edu.sg/handle/10635/63929
ISSN: 10221344
DOI: 10.1002/mats.200800005
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