Modelling the interaction of hybrid inorganic-organic molecules on oxide surfaces: glycidyl isopropyl ether and epoxyhexane on a g-Al2O3(111)mimic

GA Woods, S Haq, Neville Vincent Richardson, S Shaw, R Digby, R Raval

Research output: Contribution to journalArticlepeer-review

6 Citations (Scopus)

Abstract

The hybrid inorganic-organic molecule gamma-glycidoxypropyltrimethoxysilane is used as an adhesion promoter because of its ability to act as a molecular bridge between chemically different phases. In this paper we concentrate on the interaction of the organofunctional glycidoxy end chain of this molecule on a gamma-Al2O3(111) mimic created by oxidation of NiAl(110). In order to understand better the interaction of this functionality, the glycidoxy moiety was modelled using glycidyl isopropyl ether and epoxyhexane. Reflection-absorption infrared spectroscopy studies of these model compounds demonstrate that monolayer adsorption on the gamma-Al2O3 film is non-dissociative, with both molecules being only weakly perturbed, supporting the idea that the organofunctional end group in hybrid inorganic-organic adhesion promoters remains intact, available to react potentially with the adhesive on application. (C) 1999 Elsevier Science B.V. All rights reserved.

Original languageEnglish
Pages (from-to)199-204
Number of pages6
JournalSurface Science
Volume433-435
Publication statusPublished - 2 Aug 1999

Keywords

  • adhesion promoter
  • gamma-Al2O3 mimic
  • gamma-glycidoxypropyltrimethoxysilane
  • hybrid inorganic-organic molecule
  • RAIRS
  • NIAL(110)

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