Ultrahigh vacuum study on the reactivity of organic surfaces terminated by -OH 
and –COOH groups prepared by self-assembly of functionalized alkanethiols on Au 
substrates

Himmel, H.-J.; Weiss, K.; Jäger, B.; Dannenberger, O.; Grunze, M.; Wöll, Ch.

doi:10.1021/la970121l

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Ultrahigh vacuum study on the reactivity of organic surfaces terminated by -OH and –COOH groups prepared by self-assembly of functionalized alkanethiols on Au substrates

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Grunze, M.
Cellular Biophysics, Max Planck Institute for Medical Research, Max Planck Society;

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Citation

Himmel, H.-J., Weiss, K., Jäger, B., Dannenberger, O., Grunze, M., & Wöll, C. (1997). Ultrahigh vacuum study on the reactivity of organic surfaces terminated by -OH and –COOH groups prepared by self-assembly of functionalized alkanethiols on Au substrates. Langmuir, 13(19), 4943-4947. doi:10.1021/la970121l.

Cite as: https://hdl.handle.net/21.11116/0000-0001-B29B-7

Abstract

Two different organic surfaces were created by self-assembly (SA) of bifunctionalized monomers using OH- and COOH-terminated alkanethiols. X-ray photoelectron (XP) and soft X-ray absorption (NEXAFS) spectroscopy have been used to determine the chemical composition of and the molecular orientation in the SA monolayers adsorbed on Au substrates. Subsequently the two OH- and COOH-terminated organic surfaces were exposed to phenyl isocyanate (C6H5NCO, PIC) in order to investigate their chemical reactivity. In both cases the reactivity to gas-phase PIC was very low for the sample at room temperature. Reaction yields of more than 80% could, however, be achieved by depositing multilayers on a sample cooled down to 120 K which was subsequently warmed to 290 K.