Extended One-Dimensional Supramolecular Assembly on a Stepped Surface

Joachim Schnadt, Eva Rauls, Wei Xu, Ronnie T. Vang, Jan Knudsen, Erik Lægsgaard, Zheshen Li, Bjørk Hammer, Flemming Besenbacher

Research output: Contribution to journalArticlepeer-review

Abstract

2,6-naphthalene-dicarboxylic acid was adsorbed on a Ag(110) surface with an average terrace width of only some tens of a nm. Scanning tunneling microscopy shows that the adsorbates self-assemble into one-dimensional mesoscale length chains. These extend over several hundred nanometers and thus the structure exhibits an unprecedented tolerance to monatomic surface steps. Density functional theory and x-ray photoelectron spectroscopy explain the behavior by a strong intermolecular hydrogen bond plus a distinct template-mediated directionality and a high degree of molecular backbone flexibility.

©2008 The American Physical Society
Original languageEnglish
Article number046103
JournalPhysical Review Letters
Volume100
DOIs
Publication statusPublished - 2008

Subject classification (UKÄ)

  • Atom and Molecular Physics and Optics

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