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Atomic aspects of surface chemical reactions

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Title: Atomic aspects of surface chemical reactions
Authors: Asakura, Kiyotaka Browse this author
Keywords: Surface science
Pressure gap
Material gap
Artificial control of reaction
Synthesis of surface structure
PTRF-XAFS
Issue Date: Nov-2010
Publisher: ELSEVIER
Journal Title: Catalysis Today
Volume: 157
Issue: 1-4
Start Page: 2
End Page: 7
Publisher DOI: 10.1016/j.cattod.2010.01.024
Abstract: Developments in surface science have provided atomic-scale surface images and helped us to understand surface reactions at an atomic-scale. Two big gaps, the pressure gap and material gap, were believed to exist between real catalyst systems and surface science targets; however, they are now being filled. Nonlinear optical phenomenon of sum-frequency generation, glancing-angle X-ray, and scanning probe techniques have been developed as ambient pressure surface analysis methods. Great efforts have made it possible to perform X-ray photoelectron spectroscopy measurements in the presence of gas-phase reactants. Recent improvements in surface analysis techniques for nonconducting targets enable us to investigate metal clusters on well-defined oxide surfaces to fill the material gap. We are now able to initiate and control the surface reactions artificially by adjusting physical parameters. Surface science has reached a new stage not only for determining the surface structures, electronic properties, and reaction mechanisms but also for synthesizing highly active surfaces and controlling catalytic reactions artificially.
Type: article (author version)
URI: http://hdl.handle.net/2115/44340
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: 朝倉 清高

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