XPS INVESTIGATIONS OF TWO METAL–PET INTERFACES FORMED BY Zrand Al

P. C. Wong, M. Kono, Y. S. Li, M. Y. Zhou and K. A. R. Mitchell ()
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P. C. Wong: Department of Chemistry, University of British Columbia, 2036 Main Mall, Vancouver, British Columbia, Canada V6T 1Z1, Canada
M. Kono: Department of Chemistry, University of British Columbia, 2036 Main Mall, Vancouver, British Columbia, Canada V6T 1Z1, Canada
Y. S. Li: Department of Chemistry, University of British Columbia, 2036 Main Mall, Vancouver, British Columbia, Canada V6T 1Z1, Canada
M. Y. Zhou: Department of Chemistry, University of British Columbia, 2036 Main Mall, Vancouver, British Columbia, Canada V6T 1Z1, Canada
K. A. R. Mitchell: Department of Chemistry, University of British Columbia, 2036 Main Mall, Vancouver, British Columbia, Canada V6T 1Z1, Canada

Surface Review and Letters (SRL), 2000, vol. 07, issue 01n02, 141-150

Abstract: X-ray photoelectron spectroscopy (XPS) was used to study two interfaces formed between polyethyleneterephthalate (PET) and thin layers of aluminum and zirconium deposited under ultrahigh vacuum conditions. The thicknesses of these layers were estimated to be about 10 and 4 Å respectively. The interpretations were guided by difference spectra, especially for the Zr system, and it was concluded that different interactions operate at these two PET–metal interfaces. For the amounts deposited, Zr bonds especially to O atoms in PET, whereas Al bonds to both C and O atoms; the latter metal shows both bonding to carbonyl groups and direct Al–C bonding to the benzene-like rings. Comparisons were made for the behaviors of these systems on exposure to oxygen, and they were compared further with related systems.

Date: 2000
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DOI: 10.1142/S0218625X00000191

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