Competitive Physisorption Among Alkyl-Substituted p-Conjugated Oligomers at the Solid-Liquid Interface: Towards Prediction of Self-Assembly at Surfaces from a Multicomponent Solution

Molecules play musical chairs too! Scanning tunneling microscopy reveals how subtle changes in molecular structure can dramatically affect the intermolecular and interfacial forces governing the self-assembly of [5,5]-bisphenyl-[2,2]-bithiophene alkyl derivatives at the graphite-solution interface....

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Bibliographic Details
Published in:Small (Weinheim an der Bergstrasse, Germany) Germany), 2009-07, Vol.5 (13), p.1521-1526
Main Authors: Bonini, Massimo, Zalewski, Leszek, Breiner, Thomas, Dotz, Florian, Kastler, Marcel, Schadler, Volker, Surin, Mathieu, Lazzaroni, Roberto, Samori, Paolo
Format: Article
Language:English
Online Access:Get full text
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Summary:Molecules play musical chairs too! Scanning tunneling microscopy reveals how subtle changes in molecular structure can dramatically affect the intermolecular and interfacial forces governing the self-assembly of [5,5]-bisphenyl-[2,2]-bithiophene alkyl derivatives at the graphite-solution interface. Experiments performed in a competitive scenario (see image) show that one derivative can be preferentially physisorbed or even cause the desorption of an already existing monolayer.
ISSN:1613-6810
DOI:10.1002/smll.200801901