[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
scite shows how a scientific paper has been cited by providing the context of the citation, a classification describing whether it supports, mentions, or contrasts the cited claim, and a label indicating in which section the citation was made.
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