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  Adsorption kinetics of n‐alkyl thiols on gold studied by second harmonic generation and x‐ray photoelectron spectroscopy

Buck, M., Eisert, F., Fischer, J., Grunze, M., & Träger, F. (1992). Adsorption kinetics of n‐alkyl thiols on gold studied by second harmonic generation and x‐ray photoelectron spectroscopy. Journal of Vacuum Science and Technology A: Vacuum, Surfaces, and Films, 10(4), 926-929. doi:10.1116/1.577879.

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Item Permalink: https://hdl.handle.net/21.11116/0000-0001-979C-5 Version Permalink: https://hdl.handle.net/21.11116/0000-0001-979D-4
Genre: Journal Article

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JVacuumSciTechnolB _10_1992_926.pdf (Any fulltext), 431KB
 
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http://avs.scitation.org/doi/pdf/10.1116/1.577879 (Any fulltext)
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 Creators:
Buck, M., Author
Eisert, F., Author
Fischer, J., Author
Grunze, M.1, Author           
Träger, F., Author
Affiliations:
1Cellular Biophysics, Max Planck Institute for Medical Research, Max Planck Society, ou_2364731              

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 Abstract: Optical second harmonic generation (SHG) was used to study the adsorption kinetics of self‐organizing n‐alkyl thiol films on polycrystalline gold substrates in situ and in real time. Thiols with carbon chains ranging from 1 to 22 were studied. SHG results showed that the average thiol coverage is constant for thiols longer than hexanethiol. The relation between the SHG signal change and the degree of thiol coverage was established by comparison with ex situ x‐ray photoelectron spectroscopy measurements. The temporal dependence of the adsorption is well described by Langmuir adsorption kinetics and the source of the SHG signal is found to be linearly related to the nonlinear susceptibility of the adsorbate–substrate interaction allowing a straightforward in situ determination of the coverage.

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Language(s): eng - English
 Dates: 1991-10-301992-01-071998-06-041992
 Publication Status: Issued
 Pages: 4
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1116/1.577879
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Title: Journal of Vacuum Science and Technology A: Vacuum, Surfaces, and Films
  Other : J. Vac. Sci. Technol. A: Vac. Surf. Films
Source Genre: Journal
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Publ. Info: New York : Published by AVS through the American Institute of Physics
Pages: - Volume / Issue: 10 (4) Sequence Number: - Start / End Page: 926 - 929 Identifier: ISSN: 0734-2101
CoNE: https://pure.mpg.de/cone/journals/resource/954928495416_2