Reference : Probing Organization and Structural Characteristics of Alkanethiols Adsorbed on Gold and...
Scientific journals : Article
Physical, chemical, mathematical & earth Sciences : Chemistry
http://hdl.handle.net/2268/59150
Probing Organization and Structural Characteristics of Alkanethiols Adsorbed on Gold and of Model Alkane Compounds through their Valence Electronic Structure: an Ultraviolet Photoelectron Spectroscopy Study
English
Duwez, Anne-Sophie mailto [Facultés Universitaires Notre-Dame de la Paix - Namur - FUNDP. Present address: University of Liège > > > >]
Pfister-Guillouzo, G. [Centre UniVersitaire de Recherche Scientifique, Pau, France > > > >]
Delhalle, Joseph [Facultés Universitaires Notre-Dame de la Paix - Namur - FUNDP > > > >]
Riga, Joseph [Facultés Universitaires Notre-Dame de la Paix - Namur - FUNDP > > > >]
2000
Journal of Physical Chemistry B
American Chemical Society
104
9029-9037
Yes (verified by ORBi)
International
1520-6106
1520-5207
Washington
DC
[en] monolayers ; self-assembly ; XPS ; UPS
[en] In this paper we report an ultraviolet photoelectron spectroscopy (UPS) study of saturated alkane chains in
various configurations and conformations. The dependence of the valence spectra on molecular structure
characteristics has been assessed by comparing the results obtained from n-alkanethiol, R,ö-alkanedithiol,
and R-cycloalkyl-ö-alkanethiol monolayers adsorbed on gold, and from gas-phase model alkane compounds.
The differences between the spectra reflect directly the structural changes induced in the electronic structure
of the alkane chains. We have determined the type of folding sequences adopted in a 1,12-dodecanedithiol
monolayer. Angular dependent measurements and investigations on the photoelectron attenuation length have
evidenced very fine structural differences between films obtained on deposited gold films, annealed gold
films, and gold single crystals
Researchers
http://hdl.handle.net/2268/59150

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