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Issue 23, 2009
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Electric field-induced transitions in perforated lamella of ABA triblock copolymer thin film

Dung Q. Ly,†a   Takashi Honda,b   Toshihiro Kawakatsuc  and  Andrei V. Zvelindovskya  
Author affiliations

a Centre for Materials Science, University of Central Lancashire, Preston, United Kingdom

b ZEON Corporation, 1-6-2, Marunouchi, Chiyoda-ku, Tokyo 100-8246, Japan

c Department of Physics, Tohoku University, Aoba Aramaki, Aoba-ku, Sendai 980-8578, Japan

Abstract

Transformation of a perforated lamella of an ABA triblock copolymer melt confined in a thin film under an electric field is studied by real-space dynamical self-consistent field theory. Starting from a perforated lamella structure, we apply an electric field along [100] and [010] directions which are parallel to the surfaces of the thin film, and along [001] direction which is perpendicular to the thin film. With a sufficiently high value of the electric field, transitions to cylinders or perpendicular lamellae occur. Several kinetic pathways of the transitions have been found, some of which are very different from the ones observed for a perforated lamella in an AB diblock copolymer.

Graphical abstract: Electric field-induced transitions in perforated lamella of ABA triblock copolymer thin film

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Article information

https://doi.org/10.1039/B911521H
Submitted
12 Jun 2009
Accepted
08 Sep 2009
First published
07 Oct 2009
Soft Matter, 2009,5, 4814-4822
Article type
Paper
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Electric field-induced transitions in perforated lamella of ABA triblock copolymer thin film

D. Q. Ly, T. Honda, T. Kawakatsu and A. V. Zvelindovsky, Soft Matter, 2009, 5, 4814
DOI: 10.1039/B911521H

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