Characterizing the bonding mechanisms at silane-metal interfaces: A model system

J. S. Quinton; P. C. Dastoor

doi:10.1023/A:1006699206372

Characterizing the bonding mechanisms at silane-metal interfaces: A model system

J. S. Quinton, P. C. Dastoor

Research output: Contribution to journal › Article › peer-review

19 Citations (Scopus)

Abstract

The interactions that occur between propyltrimethoxysilane (PTMS) and aluminum and iron oxide surfaces during the oscillatory absorption cycle were studied. The surface chemistry throughout the adsorption isotherm was characterized by using secondary ion mass spectrometry (SIMS). Results from this study support the hypothesis that the two distinct surface species involved in the oscillatory adsorption of PTMS onto metal oxide surfaces are the monomer and condensed phases of PTMS. Furthermore, the structure of the silane/metal interface at the peak of the oscillation was found to consist primarily of adsorbed PTMS monomers whereas at the asymptotic maximum it consists mainly of condensed PTMS molecules.

Original language	English
Pages (from-to)	1833-1835
Number of pages	3
Journal	Journal of Materials Science Letters
Volume	18
Issue number	22
DOIs	https://doi.org/10.1023/A:1006699206372
Publication status	Published - Nov 1999
Externally published	Yes

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AB - The interactions that occur between propyltrimethoxysilane (PTMS) and aluminum and iron oxide surfaces during the oscillatory absorption cycle were studied. The surface chemistry throughout the adsorption isotherm was characterized by using secondary ion mass spectrometry (SIMS). Results from this study support the hypothesis that the two distinct surface species involved in the oscillatory adsorption of PTMS onto metal oxide surfaces are the monomer and condensed phases of PTMS. Furthermore, the structure of the silane/metal interface at the peak of the oscillation was found to consist primarily of adsorbed PTMS monomers whereas at the asymptotic maximum it consists mainly of condensed PTMS molecules.

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