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An Experimental Approach to Transition States of Surface Reactions; Energy Partitioning in Repulsive Desorption

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Title: An Experimental Approach to Transition States of Surface Reactions; Energy Partitioning in Repulsive Desorption
Authors: Matsushima, Tatsuo Browse this author →KAKEN DB
Orita, Hideo Browse this author
Kokalj, Anton Browse this author
Keywords: Angle-resolved thermal desorption
Surface chemical reaction
Palladium
Carbon dioxide
Nitrous oxide
Nitrogen
Single-crystal surfaces
Issue Date: 2013
Publisher: Surface Science Society of Japan
Journal Title: e-Journal of Surface Science and Nanotechnology
Volume: 11
Start Page: 65
End Page: 71
Publisher DOI: 10.1380/ejssnt.2013.65
Abstract: In a chemical reaction, both material conversions and energy partitioning take place simultaneously. Then its mechanism must be characterized from the viewpoints on both sides. Energy partitioning in surface reactions can be examined on product desorption processes when these are repulsive. This principle is exemplified in CO(a)+O(a) → CO2(g) on Pd(110)(1×1), and its application is proposed for N2O(a) → N2(g)+O(a) on the same surface. Structural information of desorption sites and active intermediates, as well as transition states, can be delivered from desorption- and azimuth-angle dependences of physical quantities of desorbing hyper-thermal products; i.e., anisotropic distributions of their flux, and translational and internal energies.
Type: article
URI: http://hdl.handle.net/2115/56515
Appears in Collections:触媒科学研究所 (Institute for Catalysis) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 松島 龍夫

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