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metal organic coordination networks of oligopyridines and Cu on graphite

Achim Breitruck, Harry E. Hoster, R. Jürgen Behm



molecule: oligopyridine 2,4’-BTP (Ziener et al.)


metal-ligand bond between pyridyl group and Cu atom stronger than hydrogen bonds between molecules

 re-organization of adlayer favorable

* new structures vary with coverage of 2,4’-BTP and Cu


start: Quasi quadratic network + vapor dep. Cu    

translational domain boundaries stabilized by Cu





20x20 nm2



20x20 nm2



at higher Cu content: formation of hexagonal network with Cu2 centers



STM data




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structure model


*   new structure stabilized by metal ligand interaction in cooperation with hydrogen bonds

Related Literature:

"Short-range order in a metal-organic network", A. Breitruck, H.E. Hoster, R.J. Behm, J. Phys. Chem. C 113, 21265-21268 (2009)

Interaction of Cu atoms with ordered 2D oligopyridine networks”, A. Breitruck, H.E. Hoster, C. Meier, U. Ziener, R.J. Behm, Surf. Sci. 601 (2007) 4200

Structure Formation in Bis(terpyridine)Derivative Adlayers – Molecule-Substrate vs. Molecule-Molecule Interactions, H.E. Hoster, M. Roos, A. Breitruck, C. Meier, K. Tonigold, T. Waldmann, U. Ziener, K. Landfester, R.J. Behm, Langmuir 23 (2007) 11570

Coverage dependent structures of oligopyridine adlayers on Ag(111) oriented films, M. Roos, H.E. Hoster, A. Breitruck, R.J. Behm, PCCP 9 (2007) 5672


Hierarchically Self-Assembled Host-Guest Network at the Solid-Liquid Interface for Single-Molecule Manipulation”, C. Meier, K. Landfester, D. Künzel, T. Markert, A. Groß, U. Ziener, Angew. Chemie Int. Ed. 2008

Weak Hydrogen Bonds as a Structural Motif for Two-Dimensional Assemblies of Oligopyridines on Highly Oriented Pyrolytic Graphite: An STM Investigation”, C. Meier, U. Ziener, K. Landfester, P. Weihrich, Journal of Physical Chemistry B 109 (2005) 21015

Supramolecular assemblies of a bis(terpyridine) ligand and of its [2x2] grid-type ZnII and CoII complexes on highly ordered pyrolytic graphite, U. Ziener, J.-M. Hehn, A. Mourran, M. Möller; Chemistry-A European Journal  8 (2002) 951