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Issue 21, 2011
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Confined self-assembly of cylinder-forming diblock copolymers: effects of confining geometries

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Abstract

The effects of confining geometries on the self-assembly of cylinder-forming asymmetric diblock copolymers are studied using a simulated annealing technique. Morphological transitions of block copolymers confined inside two parallel flat walls, cylindrical channels, as well as spherical and ellipsoidal cavities are systematically investigated. Depending on the copolymer composition, confining geometry and degree of structural frustration, a very rich array of confinement-induced morphologies is predicted by the simulations. The results reveal that the dimensionality of the confinement can affect the structure, symmetry and degeneracy of the self-assembled structures. In particular, the effect of spherical confinement is much stronger than that of thin film or cylindrical confinement.

Graphical abstract: Confined self-assembly of cylinder-forming diblock copolymers: effects of confining geometries

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Publication details

The article was received on 20 May 2011, accepted on 08 Aug 2011 and first published on 06 Sep 2011


Article type: Paper
DOI: 10.1039/C1SM05947E
Soft Matter, 2011,7, 10227-10240

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    Confined self-assembly of cylinder-forming diblock copolymers: effects of confining geometries

    B. Yu, B. Li, Q. Jin, D. Ding and A. Shi, Soft Matter, 2011, 7, 10227
    DOI: 10.1039/C1SM05947E

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