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Wiley, Angewandte Chemie International Edition, 48(46), p. 9287-9290, 2007

DOI: 10.1002/anie.200702794

Wiley, Angewandte Chemie, 48(119), p. 9447-9450, 2007

DOI: 10.1002/ange.200702794

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A Stable Room-Temperature Molecular Assembly of Zwitterionic Organic Dipoles Guided by a Si(111)-7x7 Template Effect

Journal article published in 2007 by Younes Makoudi, Madjid Arab, Frank Palmino, Eric Duverger, Christophe Ramseyer, Fabien Picaud ORCID, Frederic Cherioux
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This paper is available in a repository.

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Abstract

Chiral Assemblies of Achiral Molecules: High resolution STM images of zwitterionic organic dipoles deposited on Si- (111)-7x7 show a chiral molecular assembly on this surface . Density functional calculations demonstrate that a sulfonato group can act as an electrostatic shield that protects the pi-skeleton of organic molecules from the dangling bonds of semiconductor surfaces, which is a major advance in the deposition of pi-conjugated molecules.