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Adsorption and decomposition of nickelocene on Ag(100): a high-resolution electron energy loss spectroscopy and temperature programmed desorption study

Pugmire, DL, Woodbridge, CM, Boag, NM and Langell, MA 2001, 'Adsorption and decomposition of nickelocene on Ag(100): a high-resolution electron energy loss spectroscopy and temperature programmed desorption study' , Surface Science, 472 (3) , pp. 155-171.

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Abstract

Nickelocene adsorption and decomposition on the Ag(100) surface were studied with temperature programmed desorption and high resolution electron energy loss spectroscopy. At monolayer coverages on the relatively inert Ag(100) surface at 175 K, nickelocene physisorbs molecularly, with its molecular axis perpendicular to the surface plane. Nickelocene begins decomposing to adsorbed cyclopentadienyl and nickel at 225 K. Molecular desorption is only observed from multilayer material, at 210 K, or from the first monolayer if adjacent surface sites for decomposition are not available. The cyclopentadienyl decomposes through disproportionation to cyclopentadiene, which desorbs, and adsorbed nickel and carbon fragments on the Ag(100) surface with a maximum at 525 K.

Item Type: Article
Themes: Subjects / Themes > Q Science > QD Chemistry
Subjects outside of the University Themes
Schools: Colleges and Schools > College of Science & Technology > School of Computing, Science and Engineering > Materials & Physics Research Centre
Colleges and Schools > College of Science & Technology
Colleges and Schools > College of Science & Technology > School of Computing, Science and Engineering
Journal or Publication Title: Surface Science
Publisher: Elsevier
Refereed: Yes
ISSN: 00396028
Depositing User: H Kenna
Date Deposited: 07 Sep 2007 15:18
Last Modified: 20 Aug 2013 16:47
URI: http://usir.salford.ac.uk/id/eprint/410

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