Article (Scientific journals)
Surface Molecular Structure of Self-Assembled Alkanethiols Evidenced by UPS and Photoemission with Synchrotron Radiation
Duwez, Anne-Sophie; Di Paolo, Stéphanie; Ghijsen, Jacques et al.
1997In Journal of Physical Chemistry B, 101, p. 884-890
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Abstract :
[en] With the aim of investigating the configurational and conformational characteristics of monolayers of alkanethiols on gold by means of a photoemission experiment, we compare the valence data obtained from these layers using synchrotron radiation and ultraviolet photoemission spectroscopy (UPS). The incident energy used for synchrotron radiation has been chosen very close to the Cooper minimum of the 5d levels of gold, in order to limit as much as possible interference from the substrate. The recorded spectra differ markedly from one sample to another, notwithstanding their closely related chemical nature. These variations are compared consistently with semiquantitative simulations on model clusters and found thereby to reflect specifically the influence of the connectivity and of specific interactions on the electronic structure of long hydrocarbon chains
Disciplines :
Chemistry
Author, co-author :
Duwez, Anne-Sophie  ;  Facultés Universitaires Notre-Dame de la Paix - Namur - FUNDP. Present address: University of Liège
Di Paolo, Stéphanie;  Facultés Universitaires Notre-Dame de la Paix - Namur - FUNDP
Ghijsen, Jacques;  Facultés Universitaires Notre-Dame de la Paix - Namur - FUNDP
Riga, Joseph;  Facultés Universitaires Notre-Dame de la Paix - Namur - FUNDP
Deleuze, Michael;  Facultés Universitaires Notre-Dame de la Paix - Namur - FUNDP
Delhalle, Joseph;  Facultés Universitaires Notre-Dame de la Paix - Namur - FUNDP
Language :
English
Title :
Surface Molecular Structure of Self-Assembled Alkanethiols Evidenced by UPS and Photoemission with Synchrotron Radiation
Publication date :
1997
Journal title :
Journal of Physical Chemistry B
ISSN :
1520-6106
eISSN :
1520-5207
Publisher :
American Chemical Society, Washington, United States - District of Columbia
Volume :
101
Pages :
884-890
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 30 May 2010

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