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Thiocholesterol on gold: A nanoporous molecular assembly
Université Libre de Bruxelles, Belgium.
Linköping University, Department of Physics, Chemistry and Biology, Applied Physics. Linköping University, The Institute of Technology.ORCID iD: 0000-0001-5365-6140
Université Libre de Bruxelles, Belgium.
Linköping University, Department of Physics, Chemistry and Biology, Applied Physics. Linköping University, The Institute of Technology.
1996 (English)In: Langmuir, ISSN 0743-7463, E-ISSN 1520-5827, Vol. 12, no 7, 1704-1707 p.Article in journal (Refereed) Published
Abstract [en]

The formation of thiocholesterol (TC) monolayers on gold has been studied by ellipsometry, contact angle measurements, infrared spectroscopy, and cyclic voltammetry. Subsequent treatment of the TC assembly with 11-mercaptodeuterioundecanoic acid (MDUA) shows that the average surface coverage is about 65% of that of a self-assembled alkanethiolate monolayer and that it has a large number of molecular defects. These defects exist because of a mismatch between the size and shape of the TC molecule and the pinning distance at the Au(111) crystal lattice. Potential uses of these defect-rich structures are microelectrode arrays for electroanalytical and biosensor applications.

Place, publisher, year, edition, pages
American Chemical Society , 1996. Vol. 12, no 7, 1704-1707 p.
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:liu:diva-76341DOI: 10.1021/la951524tISI: A1996UD79400003OAI: oai:DiVA.org:liu-76341DiVA: diva2:513823
Available from: 2012-04-03 Created: 2012-04-03 Last updated: 2017-12-07

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Engquist, IsakLiedberg, Bo

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