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The interaction of γ-glycidoxypropyltrimethoxy silane and model analogues with the Al(1 1 1) surface

✍ Scribed by G.A. Woods; S. Haq; S.J. Shaw; R. Raval


Publisher
Elsevier Science
Year
2006
Tongue
English
Weight
388 KB
Volume
26
Category
Article
ISSN
0143-7496

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✦ Synopsis


The adsorption characteristics of three organosilane compounds on a model Al(1 1 1) surface has been investigated using reflection-absorption infrared spectroscopy (RAIRS). The three compounds considered, epoxyhexane (EH), glycidylisopropylether (GIE) and g-glycidoxypropyltrimethoxysilane (g-GPS) have demonstrated adsorption behaviour dependent upon both the extent of coverage and temperature. Both EH and GIE have shown that, under certain conditions, they can interact with the Al(1 1 1) surface via their glycidyl groups. With g-GPS, the glycidyl group adopts a slightly altered geometry from that in EH and GIE, thus enabling some of the methoxy groups to be directed towards the Al(1 1 1) surface.


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