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Issue 39, 2016
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Orientation and stability of a bi-functional aromatic organic molecular adsorbate on silicon

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Abstract

In this work we combine scanning tunneling microscopy, near-edge X-ray absorption fine structure spectroscopy, X-ray photoemission spectroscopy and density functional theory to resolve a long-standing confusion regarding the adsorption behaviour of benzonitrile on Si(001) at room temperature. We find that a trough-bridging structure is sufficient to explain adsorption at low coverages. At higher coverages when steric hindrance prevents the phenyl ring lying flat on the surface, the 2+2 cycloaddition structure dominates.

Graphical abstract: Orientation and stability of a bi-functional aromatic organic molecular adsorbate on silicon

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Publication details

The article was received on 20 Jun 2016, accepted on 14 Sep 2016 and first published on 15 Sep 2016


Article type: Paper
DOI: 10.1039/C6CP04328C
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Citation: Phys. Chem. Chem. Phys., 2016,18, 27290-27299
  • Open access: Creative Commons BY license
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    Orientation and stability of a bi-functional aromatic organic molecular adsorbate on silicon

    K. M. O'Donnell, H. Hedgeland, G. Moore, A. Suleman, M. Siegl, L. Thomsen, O. Warschkow and S. R. Schofield, Phys. Chem. Chem. Phys., 2016, 18, 27290
    DOI: 10.1039/C6CP04328C

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