Comparison between wet deposition and plasma deposition of silane coatings on aluminium |
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| Authors: | A Batan F Brusciotti I De Graeve J Vereecken M Wenkin M Piens JJ Pireaux F Reniers H Terryn |
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| Affiliation: | 1. Université Libre de Bruxelles (ULB), Faculty of Sciences-Analytical and Interfacial Chemistry, CP 255, Bd Triomphe, B-1050 Brussels, Belgium;2. University of Namur (FUNDP), Research Centre in Physics of Matter and Radiation (PMR), Namur, Belgium;3. Vrije Universiteit Brussel (VUB), Research Group of Electrochemical and Surface Engineering, Pleinlaan 2, 1050 Brussels, Belgium;4. Coating Research Institute (CoRI), Limelette, Belgium |
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| Abstract: | Silane coatings are applied to metal surfaces for various purposes, e.g., to form a protective layer against corrosion or to act as a primer for subsequent coating. In this work bis-1,2-(triethoxysilyl) ethane (BTSE) was used as a precursor to deposit coatings on Al 99.99% substrates with three different techniques: dipcoating (water based solution), vacuum plasma and atmospheric plasma. Infrared reflection absorption spectroscopy (IRRAS), X-ray photoelectron spectroscopy (XPS) and field emission gun-scanning electron microscope (FE-SEM) were used to characterise the structure, composition and surface morphology of the silane coatings. The aim of this investigation is to compare the surface and bulk characteristics of the films prepared with the three different methods, in order to get information on how the BTSE molecule is modified by the deposition technique. |
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| Keywords: | Plasma deposition Silane BTSE XPS IRRAS |
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