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Issue 18, 2011
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Chiral occlusion in two-dimensional binary supramolecular networks studied by the Monte Carlo method

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Abstract

Supramolecular structure design by computer simulations can be an effective method in molecular engineering of surfaces using self-assembled monolayers. In this contribution we describe the use of the Monte Carlo simulation technique for the two-dimensional self-organization of model tripod molecules on a solid surface. To that end binary mixtures of flat symmetric molecules adsorbed on a triangular lattice were simulated using the Canonical Ensemble method. Special attention was paid to the influence of the difference between sizes of the components on the formation of highly ordered superstructures. It was demonstrated that the tripod molecules having sufficiently small size can co-assemble into binary hierarchical networks whose structural properties can be finely tuned by changing the composition of the mixture. For those networks the chiral occlusion effect was observed, in which molecules of smaller component are confined to form chiral pores. The insights from the simulations can be helpful in custom designing of chiral porous networks in two dimensions, as they establish a link between structural properties of the building blocks and morphology of the resulting adlayer.

Graphical abstract: Chiral occlusion in two-dimensional binary supramolecular networks studied by the Monte Carlo method

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Article information


Submitted
14 Mar 2011
Accepted
11 Apr 2011
First published
09 May 2011

CrystEngComm, 2011,13, 5542-5550
Article type
Paper

Chiral occlusion in two-dimensional binary supramolecular networks studied by the Monte Carlo method

P. Szabelski and S. De Feyter, CrystEngComm, 2011, 13, 5542
DOI: 10.1039/C1CE05315A

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