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Journal Article

Supramolecular assemblies of trimesic acid on a Cu(100) surface

MPS-Authors
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Dmitriev,  A.
Department Nanoscale Science (Klaus Kern), Max Planck Institute for Solid State Research, Max Planck Society;

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Lin,  N.
Department Nanoscale Science (Klaus Kern), Max Planck Institute for Solid State Research, Max Planck Society;

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Weckesser,  J.
Department Nanoscale Science (Klaus Kern), Max Planck Institute for Solid State Research, Max Planck Society;

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Barth,  J. V.
Former Research Groups, Max Planck Institute for Solid State Research, Max Planck Society;
Department Nanoscale Science (Klaus Kern), Max Planck Institute for Solid State Research, Max Planck Society;

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Kern,  K.
Department Nanoscale Science (Klaus Kern), Max Planck Institute for Solid State Research, Max Planck Society;

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Citation

Dmitriev, A., Lin, N., Weckesser, J., Barth, J. V., & Kern, K. (2002). Supramolecular assemblies of trimesic acid on a Cu(100) surface. The Journal of Physical Chemistry B, 106(27), 6907-6912.


Cite as: https://hdl.handle.net/21.11116/0000-000E-F295-8
Abstract
The adsorption and supramolecular ordering of trimesic acid
(TMA), 1,3,5-benzenetricarboxylic acid C6H3(COOH)(3), on a
Cu(100) surface has been studied in-situ in ultrahigh vacuum by
variable-temperature scanning ''tunneling microscopy. We have
elucidated the real-space structures of distinct self-assembled
supramolecular aggregates at the molecular scale. At low
temperatures (similar to200 K), two-dimensional networks
evolve. They reflect extensive hydrogen-bond formation of a
flat-lying species, similar to supramolecular ordering in the
bulk TMA crystal structure. At room temperature, more densely
packed stripe arrangements form. They are associated with a
bonding transition leading to an upright geometry due to
carboxylate formation.