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Molecular orientation of C-60 on Pt(111) determined by X-ray photoelectron diffraction

L. GIOVANELLI
•
C. CEPEK
•
L. FLOREANO
altro
M. PEDIO
2003
  • journal article

Periodico
APPLIED SURFACE SCIENCE
Abstract
The C-60 molecules are known to bind covalently to the Pt(1 1 1) surface. We performed a structural study of one C-60 layer on Pt(1 1 1) by using X-ray photoelectron diffraction (XPD). Our results show that the molecules are bonded to the metal surface with their six-carbon rings facing the Pt(1 1 1) surface and with the C-C bonds perpendicularly oriented with respect to the direction of the close-packed atom rows. Unlike to what previously found for Cu(1 1 1) and Al(1 1 1), the measured diffraction pattern shows a three-fold symmetry indicating that only one orientation is taken by the chemisorbed molecules. This can be explained by a stronger interaction of the C-60 molecules with the second layer Pt atoms.
DOI
10.1016/S0169-4332(03)00026-6
WOS
WOS:000183967200011
Archivio
http://hdl.handle.net/11368/1697085
info:eu-repo/semantics/altIdentifier/scopus/2-s2.0-0038580490
http://www.sciencedirect.com/science/article/pii/S0169433203000266
Diritti
metadata only access
Soggetti
  • ADSORPTION

  • X-RAY PHOTOELECTRON D...

  • Fullerene

Web of Science© citazioni
9
Data di acquisizione
Mar 20, 2024
Visualizzazioni
2
Data di acquisizione
Apr 19, 2024
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