Chiral kagomé lattice from simple ditopic molecular bricks

U. Schlickum, R. Decker, F. Klappenberger, G. Zoppellaro, S. Klyatskaya, W. Auwärter, S. Neppl, K. Kern, H. Brune, M. Ruben, J. V. Barth

Research output: Contribution to journalArticlepeer-review

178 Scopus citations

Abstract

Self-assembly techniques allow for the fabrication of highly organized architectures with atomic-level precision. Here, we report on molecular-level scanning tunneling microscopy observations demonstrating the supramolecular engineering of complex, regular, and long-range ordered periodic networks on a surface atomic lattice using simple linear molecular bricks. The length variation of the employed de novo synthesized linear dicarbonitrile polyphenyl molecules translates to distinct changes of the bonding motifs that lead to hierarchic order phenomena and unexpected changes of the surface tessellations. The achieved 2D organic networks range from a close-packed chevron pattern via a rhombic network to a hitherto unobserved supramolecular chiral kagomé lattice.

Original languageEnglish
Pages (from-to)11778-11782
Number of pages5
JournalJournal of the American Chemical Society
Volume130
Issue number35
DOIs
StatePublished - 3 Sep 2008

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