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Comparison of monolayer films of stearic acid and methyl stearate on an Al2O3 surface
Umeå University, Faculty of Science and Technology, Chemistry.
Umeå University, Faculty of Science and Technology, Chemistry.
Umeå University, Faculty of Science and Technology, Chemistry.
Umeå University, Faculty of Science and Technology, Chemistry.
2001 (English)In: Thin Solid Films, Vol. 397, no 1-2, 102-8 p.Article in journal (Refereed) Published
Abstract [en]

Both stearic acid and methyl stearate chemisorbs onto an oxide surface of aluminum with an asymmetric coordination of the carboxylate group as concluded from infrared (IR) spectroscopy data. Similarities in the IR spectra of the films from the two compounds suggest that the ester is bonded in the same way as the acid, and that the ester therefore undergoes hydrolysis during the surface reaction. X-Ray photoelectron spectroscopy (XPS) and IR data are interpreted in terms of self-assembled monolayer formation and a more dense film from the carboxylic acid in comparison with that from the ester.

Place, publisher, year, edition, pages
2001. Vol. 397, no 1-2, 102-8 p.
Keyword [en]
Aluminium oxide, Carboxylic acids, Chemisorption, Monolayers
Identifiers
URN: urn:nbn:se:umu:diva-9196DOI: doi:10.1016/S0040-6090(01)01422-5OAI: oai:DiVA.org:umu-9196DiVA: diva2:148867
Available from: 2008-03-10 Created: 2008-03-10 Last updated: 2011-01-13Bibliographically approved

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Persson, PerShchukarev, AndreyEliasson, Bertil

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