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Hydrogen-bond induced surface core-level shift in isonicotinic acid
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2001 (English)In: Journal of Physical Chemistry B, ISSN 1089-5647, Vol. 105, no 10, 1917-1920 p.Article in journal (Refereed) Published
Abstract [en]

Intermolecular hydrogen-bonding in thick films of isonicotinic acid evaporated onto rutile TiO2(110) has been investigated with X-ray photoelectron spectroscopy (XPS) and X-ray absorption spectroscopy (XAS). The rate of deposition is found to be a key factor in overcoming the kinetic barriers to extensive hydrogen-bond formation, which, when present, gives rise to large energy shifts between bulk and surface in both the N1s XPS and XAS. The origin of the surface core-level shift is attributed to the presence of non-hydrogen-bonded nitrogen atoms in the surface layer.

Place, publisher, year, edition, pages
2001. Vol. 105, no 10, 1917-1920 p.
Keyword [en]
molecular-beam deposition, organic thin-films, rutile tio2(110), spectroscopy, clusters
URN: urn:nbn:se:kth:diva-20454ISI: 000167592600001OAI: diva2:339149
QC 20100525Available from: 2010-08-10 Created: 2010-08-10Bibliographically approved

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Luo, YiÅgren, Hans
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