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    Nanowire and Mesh Conformations of Diblock Copolymer Blends at the Air/Water Interface

    Year: 2003

    Journal: NANO LETTERS 2004 Vol. 4, No. 3 483-486, 20111221

    Authors: Young-Soo Seo, K. S. Kim, Arielle Galambos, R. G. H. Lammertink, G. J. Vancso, J. Sokolov, and M. Rafailovich

    Organizations: Material Science & Engineering, SUNY at Stony Brook, Stony Brook, New York 11779, Wellesley College, Wellesley, Massachusetts 02481, and University of Twente, Faculty of Chemical Technology, 7500 AE Enschede, The Netherlands

    We investigated the structures formed when blends of poly(styrene-b-ferrocenyl silane) (PS-b-FS) and poly(styrene-b-2-vinyl pyridine) (PS-b-P2VP) were spread at the air/water interface. The results demonstrated that new structures were formed which were distinct from those formed when either of the copolymers was spread alone. Furthermore, in contrast to the pure copolymer films, the morphologies could also be controlled with surface pressure and applied external electric fields. This greatly increases the range of nanostructured patterns that could be produced by this technique in the fabrication of polymeric templates for lithography.