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Branched Substituents Generate Improved Supramolecular Ordering in Physisorbed Molecular Assemblies
University Haute Alsace.
Linköping University, Department of Physics, Chemistry and Biology, Computational Physics . Linköping University, The Institute of Technology.
University of Paris.
University Haute Alsace.
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2009 (English)In: JOURNAL OF PHYSICAL CHEMISTRY C, ISSN 1932-7447 , Vol. 113, no 12, 4955-4959 p.Article in journal (Refereed) Published
Abstract [en]

We present an experimental study supported by molecular simulations of the influence of the shape of alkyl side groups on the interactions and self-organization of supramolecular assemblies, built from bis-ureasubstituted toluene molecules deposited on Au(111) surfaces. In particular, we demonstrate the crucial importance of the presence of branched alkyl groups (i.e., ethylhexyl) that allow two adjacent supramolecular polymers to arrange closer to each other, leading to the formation of molecular "zippers". Thus, steric constraints at the level of individual molecules can generate improved Ordering between neighboring supramolecular polymers interacting with a planar substrate.

Place, publisher, year, edition, pages
2009. Vol. 113, no 12, 4955-4959 p.
National Category
Natural Sciences
URN: urn:nbn:se:liu:diva-17611DOI: 10.1021/jp809552jOAI: diva2:210849
Available from: 2009-04-06 Created: 2009-04-06 Last updated: 2009-04-06

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Linares, Mathieu
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Computational Physics The Institute of Technology
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