Accessibility navigation


The adsorption and stability of sulfur containing amino acids on Cu{531}

Thomsen, L., Wharmby, M. T., Riley, D. P., Held, G. and Gladys, M. J. (2009) The adsorption and stability of sulfur containing amino acids on Cu{531}. Surface Science, 603 (9). 1253-1261 . ISSN 0039-6028

Full text not archived in this repository.

It is advisable to refer to the publisher's version if you intend to cite from this work. See Guidance on citing.

To link to this item DOI: 10.1016/j.susc.2009.03.014

Abstract/Summary

The adsorption of L-CySteine and L-methionine amino acids on a chiral Cu{5 3 1} surface was investigated with high resolution X-ray photoelectron spectroscopy (XPS) and carbon K-edge near edge X-ray absorption fine structure (NEXAFS) Spectroscopy using synchrotron radiation. XPS shows that at 300 K L-cysteine adsorbs through two oxygen, a nitrogen and a sulfur atom, in a four point 'quadrangular footprint', whereas L-methionine adsorbs through only two oxygen and a nitrogen atom in a 'triangular footprint'. NEWS was used to clarify the adsorption geometry of both molecules, which suggests a binding orientation to the top layer and second layer atoms in two different orientations associated with adsorption sites on {1 1 0} and {3 1 1} microfacets; of the Cu{5 3 1} surface. (C) 2009 Elsevier B.V. All rights reserved.

Item Type:Article
Refereed:Yes
Divisions:Life Sciences > School of Chemistry, Food and Pharmacy > Department of Chemistry
ID Code:11664
Uncontrolled Keywords:Near edge X-ray absorption fine structure (NEXAFS), X-ray photoelectron spectroscopy (XPS), Synchrotron radiation, Chiral surface, Amino acid, Copper, Enantioselectivity, Self assembly , L-CYSTEINE, ENANTIOSPECIFIC ADSORPTION, METAL-SURFACES, HETEROGENEOUS CATALYSIS, CRYSTALLINE SURFACES, ELECTRONIC-STRUCTURE, CU(110), ALANINE, CHEMISORPTION, PHOTOEMISSION

University Staff: Request a correction | Centaur Editors: Update this record

Page navigation