Yu, M;
Bovet, N;
Satterley, CJ;
Bengio, S;
Lovelock, KRJ;
Milligan, PK;
Jones, RG;
... Dhanak, V; + view all
(2006)
True nature of an archetypal self-assembly system: Mobile Au-thiolate species on Au(111).
PHYS REV LETT
, 97
(16)
, Article 166102. 10.1103/PhysRevLett.97.166102.
![[thumbnail of 1311355.pdf]](https://discovery.ucl.ac.uk/style/images/fileicons/application_pdf.png) Preview |
PDF
1311355.pdf Download (1MB) |
Abstract
Alkanethiol self-assembled monolayer (SAM) phases on Au(111) have been assumed to involve direct S head group bonding to the substrate. Using x-ray standing wave experiments, we show the thiolate actually bonds to gold adatoms; self-organization in these archetypal SAM systems must therefore be governed by the movement of these Au-S-R moieties on the surface between two distinct local hollow sites on the surface. The results of recent ab initio total energy calculations provide strong support for this description, and a rationale for the implied significant molecular mobility in these systems.
| Type: | Article |
|---|---|
| Title: | True nature of an archetypal self-assembly system: Mobile Au-thiolate species on Au(111) |
| Open access status: | An open access version is available from UCL Discovery |
| DOI: | 10.1103/PhysRevLett.97.166102 |
| Publisher version: | http://dx.doi.org/10.1103/PhysRevLett.97.166102 |
| Language: | English |
| Additional information: | © 2006 The American Physical Society |
| Keywords: | DENSITY-FUNCTIONAL THEORY, MONOLAYERS, ADSORPTION, ALKANETHIOLS, SURFACE, GOLD, DYNAMICS, SULFUR, SITE |
| 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 |
| URI: | https://discovery.ucl.ac.uk/id/eprint/1311355 |
Archive Staff Only
 |
View Item |
