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  Temperature programmed desorption of weakly bound adsorbates on Au(111).

Engelhart, D. P., Wagner, R. J. V., Meling, A., Wodtke, A. M., & Schäfer, T. (2016). Temperature programmed desorption of weakly bound adsorbates on Au(111). Surface Science, 650, 11-16. doi:10.1016/j.susc.2015.06.010.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-002A-F416-E Version Permalink: http://hdl.handle.net/11858/00-001M-0000-002C-A4DE-B
Genre: Journal Article

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2309023.pdf (Publisher version), 816KB
 
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 Creators:
Engelhart, D. P.1, Author              
Wagner, R. J. V.1, Author              
Meling, A.1, Author              
Wodtke, A. M.1, Author              
Schäfer, T.1, Author              
Affiliations:
1Department of Dynamics and Surfaces, MPI for biophysical chemistry, Max Planck Society, ou_578600              

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Free keywords: Temperature programmed desorption; Dispersion forces; Au(111)
 Abstract: We have performed temperature programmed desorption (TPD) experiments to analyze the desorption kinetics of Ar, Kr, Xe, C2H2, SF6, N-2, NO and CO on Au(111). We report desorption activation energies (Edes), which are an excellent proxy for the binding energies. The derived binding energies scale with the polarizability of the molecules, consistent with the conclusion that the surface-adsorbate bonds arise due to dispersion forces. The reported results serve as a benchmark for theories of dispersion force interactions of molecules at metal surfaces.

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Language(s): eng - English
 Dates: 2015-06-272016-08
 Publication Status: Published in print
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 Table of Contents: -
 Rev. Method: Peer
 Identifiers: DOI: 10.1016/j.susc.2015.06.010
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Title: Surface Science
Source Genre: Journal
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Pages: - Volume / Issue: 650 Sequence Number: - Start / End Page: 11 - 16 Identifier: -