Reaction of imidazole in gas phase at very low pressure with Cu foil and Cu oxides studied by X-ray photoelectron spectroscopy

The gas‐phase reactions of imidazole with Cu foil, CuO and Cu2O powders at a pressure of 10−5 Torr are studied by means of X‐ray photoelectron spectroscopy (XPS) at room temperature for 1 h. The reactivity of gaseous imidazole is very intense with Cu foil, weak with CuO and nil with Cu2O. The reacti...

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Bibliographic Details
Published in:Surface and interface analysis 2007-05, Vol.39 (5), p.434-437
Main Authors: HERNANDEZ, M. P, FERNANDEZ-BERTRAN, J. F, FARIAS, M. H, DIAZ, J. A
Format: Article
Language:English
Subjects:
Atomic and molecular physics
Exact sciences and technology
imidazolate
metal-protection
Molecular properties and interactions with photons
Photoelectron spectra
Physics
polymeric
X-ray photoelectron spectra
XPS
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Summary:The gas‐phase reactions of imidazole with Cu foil, CuO and Cu2O powders at a pressure of 10−5 Torr are studied by means of X‐ray photoelectron spectroscopy (XPS) at room temperature for 1 h. The reactivity of gaseous imidazole is very intense with Cu foil, weak with CuO and nil with Cu2O. The reaction product on the Cu foil is cuprous imidazolate of oligomeric nature and with CuO is cupric imidazolate of very low molecular weight. Copyright © 2006 John Wiley & Sons, Ltd.
ISSN:0142-2421
1096-9918
DOI:10.1002/sia.2528