Surface Characterization of Adamantylethyltrichlorosilane (AdSi) Coatings on Aluminum

Surface characterization techniques were used to evaluate adamantylethyltrichlorosilane (AdSi) as a potential coating to provide surface protection or as an initiator for diamond-like thin films. FT-IR and FT-Raman results indicate that, after formation and heating, the coating system has developed...

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Bibliographic Details
Main Authors: Kennedy, Brian J, Jensen, Sara, Seger, Larry, Fifer, Robert A
Format: Report
Language:English
Subjects:
ACETIC ACID
ADSI(ADAMANTYLETHYLTRICHLOROSILANE)
ADSORPTION
ALUMINUM
CHLOROSILANES
Coatings, Colorants and Finishes
CONTACT ANGLES
CROSSLINKING(CHEMISTRY)
DIAMOND FILMS
ETHANOLS
FOURIER SPECTROSCOPY
FOURIER TRANSFORM INFRARED SPECTROSCOPY
FUNCTIONAL GROUPS
HEXANES
INFRARED SPECTROSCOPY
Organic Chemistry
ORGANIC COMPOUNDS
OXIDATION
PE62618A
POLYMERS
PROTECTIVE COATINGS
QUARTZ CRYSTAL MICROBALANCE
RAMAN SPECTROSCOPY
SILOXANES
SOLUTIONS(MIXTURES)
SURFACE ANALYSIS
THIN FILMS
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Summary:Surface characterization techniques were used to evaluate adamantylethyltrichlorosilane (AdSi) as a potential coating to provide surface protection or as an initiator for diamond-like thin films. FT-IR and FT-Raman results indicate that, after formation and heating, the coating system has developed a cross-linked siloxane network. Quartz crystal microbalance and contact angle measurements were used to monitor the adsorption rates and the effect coverage of AdSi on oxidized aluminum (Al) surfaces. A concentration-dependent adsorption rate from hexane and ethanol/acetic acid solutions was observed. It was also evident that multilayer formation was occurring, probably due to the highly reactive chlorosilane functional groups.