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Bridging the pressure gap : can we get local quantitative structural information at ‘near-ambient’ pressures?

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Woodruff, D. P. (2016) Bridging the pressure gap : can we get local quantitative structural information at ‘near-ambient’ pressures? Surface Science, 652 . pp. 4-6. doi:10.1016/j.susc.2015.12.007

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Official URL: http://dx.doi.org/10.1016/j.susc.2015.12.007

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Abstract

In recent years there have been an increasing number of investigations aimed at ‘bridging the pressure gap’ between UHV surface science experiments on well-characterised single crystal surfaces and the much higher (ambient and above) pressures relevant to practical catalyst applications. By applying existing photon-in/photon-out methods and developing instrumentation to allow photoelectron emission to be measured in higher-pressure sample environments, it has proved possible to obtain surface compositions and spectroscopic fingerprinting of chemical and molecular states of adsorbed species at pressures up to a few millibars. None of these methods, however, provide quantitative structural information on the local adsorption sites of isolated atomic and molecular adsorbate species under these higher-pressure reaction conditions. Methods for gaining this information are reviewed and evaluated.

Item Type: Journal Article
Subjects: Q Science > QD Chemistry
Divisions: Faculty of Science, Engineering and Medicine > Science > Physics
Library of Congress Subject Headings (LCSH): Surface chemistry, Adsorption, Photoelectrons, Chemical reaction, Conditions and laws of
Journal or Publication Title: Surface Science
Publisher: Elsevier BV
ISSN: 0039-6028
Official Date: October 2016
Dates:
DateEvent
October 2016Published
23 December 2015Available
13 December 2015Accepted
Volume: 652
Page Range: pp. 4-6
DOI: 10.1016/j.susc.2015.12.007
Status: Peer Reviewed
Publication Status: Published
Access rights to Published version: Restricted or Subscription Access

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