O'Donnell, KM;
Hedgeland, H;
Moore, G;
Suleman, A;
Siegl, M;
Thomsen, L;
Warschkow, O;
(2016)
Orientation and stability of a bi-functional aromatic organic molecular adsorbate on silicon.
Physical Chemistry Chemical Physics
, 18
(39)
pp. 27290-27299.
10.1039/c6cp04328c.
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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.
| Type: | Article |
|---|---|
| Title: | Orientation and stability of a bi-functional aromatic organic molecular adsorbate on silicon |
| Open access status: | An open access version is available from UCL Discovery |
| DOI: | 10.1039/c6cp04328c |
| Publisher version: | http://dx.doi.org/10.1039/c6cp04328c |
| Language: | English |
| Additional information: | This article is licensed under a Creative Commons Attribution 3.0 Unported Licence. |
| Keywords: | Science & Technology, Physical Sciences, Chemistry, Physical, Physics, Atomic, Molecular & Chemical, Chemistry, Physics, SI(100)-2 X-1, AUSTRALIAN SYNCHROTRON, ADSORPTION, BENZONITRILE, ABSORPTION, DEVICES, BINDING, SURFACE, NEXAFS, FILMS |
| UCL classification: | UCL UCL > Provost and Vice Provost Offices > UCL BEAMS UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences > London Centre for Nanotechnology |
| URI: | https://discovery.ucl.ac.uk/id/eprint/1529616 |
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