UNSPECIFIED (2005) Self-assembly of an aromatic thiolate on Cu(100): The local adsorption site. Surface Science, 598 (1-3). pp. 253-262. doi:10.1016/j.susc.2005.09.031 ISSN 0039-6028.

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Abstract

The long-range ordered p(2 x 2) self-assembled monolayer formed by dosing 2-mercaptobenzoxazole (MBO, C7H5NOS) on the Cu(100) surface at room temperature has been structurally characterised by means of normal incidence X-ray standing wavefield absorption (NIXSW) at both (200) and (111) reflections. The results show that the S atom, through which the adsorbed molecular thiolate species bonds to the surface, has an interlayer spacing of 1.33 +/- 0.05 A relative to the extended bulk scatterer planes (200) parallel to the surface and occupies the four-fold coordinated hollow site, with no evidence of major reconstruction. These results are entirely consistent with previous findings for a number of thiolates formed on (100) noble metal surfaces. The role of the head-group to surface potential corrugation and intermolecular interactions in determining the adsorption site and ordering of this aromatic molecular adsorbate is discussed. (c) 2005 Elsevier B.V. All rights reserved.

Item Type:	Journal Article
Subjects:	Q Science > QD Chemistry Q Science > QC Physics
Journal or Publication Title:	Surface Science
Publisher:	ELSEVIER SCIENCE BV
ISSN:	0039-6028
Official Date:	20 December 2005
Dates:	Date Event 20 December 2005 UNSPECIFIED
Volume:	598
Number:	1-3
Number of Pages:	10
Page Range:	pp. 253-262
DOI:	10.1016/j.susc.2005.09.031
Publication Status:	Published

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