Site- and orientation-selective anchoring of a prototypical molecular building block

Pascal Ruffieux, K. Palotás, Oliver Gröning, Daniel Wasserfallen, Klaus Müllen, Werner A. Hofer, Pierangelo Gröning, Roman Fasel

Research output: Contribution to journalArticle

24 Citations (Scopus)

Abstract

The controlled anchoring of molecular building blocks on appropriate templates is a major prerequisite for the rational design and fabrication of supramolecular architectures on surfaces. We report on a particularly selective adsorption process of hexa-peri-hexabenzocoronene on Au(111), which leads to well-controlled adsorption position and orientation of the polycyclic aromatic hydrocarbons. Scanning tunneling microscopy reveals selective adsorption on monatomic steps in the fcc stacking regions with a specific orientation of 18° between the molecular axis and the step normal. Ab initio calculations for various adsorption sites reveal the lowest total energy for adsorption on a kink site. Energy considerations and the excellent agreement between experimental and simulated images show that adsorption on kink sites is responsible for the specific adsorption angle.

Original languageEnglish
Pages (from-to)5007-5011
Number of pages5
JournalJournal of the American Chemical Society
Volume129
Issue number16
DOIs
Publication statusPublished - Apr 25 2007

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Adsorption
Scanning Tunnelling Microscopy
Polycyclic Aromatic Hydrocarbons
Scanning tunneling microscopy
Polycyclic aromatic hydrocarbons
Fabrication

ASJC Scopus subject areas

  • Chemistry(all)

Cite this

Ruffieux, P., Palotás, K., Gröning, O., Wasserfallen, D., Müllen, K., Hofer, W. A., ... Fasel, R. (2007). Site- and orientation-selective anchoring of a prototypical molecular building block. Journal of the American Chemical Society, 129(16), 5007-5011. https://doi.org/10.1021/ja0673231

Site- and orientation-selective anchoring of a prototypical molecular building block. / Ruffieux, Pascal; Palotás, K.; Gröning, Oliver; Wasserfallen, Daniel; Müllen, Klaus; Hofer, Werner A.; Gröning, Pierangelo; Fasel, Roman.

In: Journal of the American Chemical Society, Vol. 129, No. 16, 25.04.2007, p. 5007-5011.

Research output: Contribution to journalArticle

Ruffieux, P, Palotás, K, Gröning, O, Wasserfallen, D, Müllen, K, Hofer, WA, Gröning, P & Fasel, R 2007, 'Site- and orientation-selective anchoring of a prototypical molecular building block', Journal of the American Chemical Society, vol. 129, no. 16, pp. 5007-5011. https://doi.org/10.1021/ja0673231
Ruffieux, Pascal ; Palotás, K. ; Gröning, Oliver ; Wasserfallen, Daniel ; Müllen, Klaus ; Hofer, Werner A. ; Gröning, Pierangelo ; Fasel, Roman. / Site- and orientation-selective anchoring of a prototypical molecular building block. In: Journal of the American Chemical Society. 2007 ; Vol. 129, No. 16. pp. 5007-5011.
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