Vladimir V. Korolkov
Supramolecular heterostructures formed by sequential epitaxial deposition of two-dimensional hydrogen-bonded arrays
Korolkov, Vladimir V.; Baldoni, Matteo; Watanabe, Kenji; Taniguchi, Takashi; Besley, Elena; Beton, Peter H.
Authors
Matteo Baldoni
Kenji Watanabe
Takashi Taniguchi
Professor ELENA BESLEY ELENA.BESLEY@NOTTINGHAM.AC.UK
Professor of Theoretical Computational Chemistry
PETER BETON peter.beton@nottingham.ac.uk
Professor of Physics
Abstract
© 2017 Macmillan Publishers Limited, part of Springer Nature. All rights reserved. Two-dimensional (2D) supramolecular arrays provide a route to the spatial control of the chemical functionality of a surface, but their deposition is in almost all cases limited to a monolayer termination. Here we investigated the sequential deposition of one 2D array on another to form a supramolecular heterostructure and realize the growth - normal to the underlying substrate - of distinct ordered layers, each of which is stabilized by in-plane hydrogen bonding. For heterostructures formed by depositing terephthalic acid or trimesic acid on cyanuric acid/melamine, we have determined, using atomic force microscopy under ambient conditions, a clear epitaxial arrangement despite the intrinsically distinct symmetries and/or lattice constants of each layer. Structures calculated using classical molecular dynamics are in excellent agreement with the orientation, registry and dimensions of the epitaxial layers. Calculations confirm that van der Waals interactions provide the dominant contribution to the adsorption energy and registry of the layers.
Journal Article Type | Article |
---|---|
Acceptance Date | Jun 6, 2017 |
Online Publication Date | Jul 24, 2017 |
Publication Date | Dec 1, 2017 |
Deposit Date | Aug 8, 2017 |
Publicly Available Date | Aug 8, 2017 |
Journal | Nature Chemistry |
Print ISSN | 1755-4330 |
Electronic ISSN | 1755-4349 |
Publisher | Nature Publishing Group |
Peer Reviewed | Peer Reviewed |
Volume | 9 |
Issue | 12 |
Pages | 1191-1197 |
DOI | https://doi.org/10.1038/nchem.2824 |
Keywords | General Chemistry; General Chemical Engineering |
Public URL | https://nottingham-repository.worktribe.com/output/874017 |
Publisher URL | https://www.nature.com/articles/nchem.2824 |
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