Orientational Order of Molecular Assemblies on Rough Surfaces

Using atomic force microscopy, we show that previous observations on the orientational order of micelles on atomically smooth crystals with directions dictated by the crystal symmetry is only valid for the case of perfectly smooth crystals. On rough surfaces, orientations are independent of the latt...

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Bibliographic Details
Published inJournal of physical chemistry. C Vol. 112; no. 38; pp. 14902 - 14906
Main Authors Schniepp, Hannes C, Shum, Ho C, Saville, Dudley A, Aksay, Ilhan A
Format Journal Article
LanguageEnglish
Published American Chemical Society 25.09.2008
Subjects
C: Surfaces, Interfaces, Catalysis
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Summary:Using atomic force microscopy, we show that previous observations on the orientational order of micelles on atomically smooth crystals with directions dictated by the crystal symmetry is only valid for the case of perfectly smooth crystals. On rough surfaces, orientations are independent of the lattice symmetry and the observed directions can be explained by considering the guiding influence of topographic surface features.
Bibliography:ark:/67375/TPS-24NGCBNL-X
Information on experimental methods and the XRD analysis of our gold substrates. This material is available free of charge via the Internet at http://pubs.acs.org.
istex:BE0F4B0277F519BAFD072218DE38B71609FC996E
ISSN:1932-7447
1932-7455
DOI:10.1021/jp805987b