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Investigation on high catalytic activity mechanism of organopalladium catalyst on S-terminated GaAs(001)-(2×6) surface
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Konishi, Tomoya, Tojo, T., Ishikawa, Takuma, Tsukamoto, Shiro and Bell, Gavin R. (2008) Investigation on high catalytic activity mechanism of organopalladium catalyst on S-terminated GaAs(001)-(2×6) surface. In: 20th International Conference on Indium Phosphide and Related Materials, 2008. (IPRM 2008)., Versailles, France, 25-29 May 2008 . Published in: International Conference on Indium Phosphide and Related Materials. Proceedings pp. 10412192-1. doi:10.1109/ICIPRM.2008.4703069 ISSN 1092-8669.
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Official URL: http://dx.doi.org/10.1109/ICIPRM.2008.4703069
Abstract
Organopalladium molecules immobilized on the S-terminated GaAs(001), termed GaAs-S-{Pd}, have high catalytic activity and stability in the Heck reaction. It is thought that the presence of Ga-S bonds in the single atomic layer S-termination is essential for these catalytic properties despite the much higher thickness (~100 nm) of the organopalladium films. In this study, we demonstrate the retention of Ga-S bonds in ultra-thin GaAs-S-{Pd} by using reflection high-energy electron diffraction (RHEED) and scanning tunnelling microscopy (STM) to show that the organopalladium molecules are immobilized on an intact S-terminated GaAs(001)-(2times6) surface.
Item Type: | Conference Item (Paper) | ||||
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Subjects: | Q Science > QC Physics Q Science > QD Chemistry |
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Divisions: | Faculty of Science, Engineering and Medicine > Science > Physics | ||||
Library of Congress Subject Headings (LCSH): | Organometallic chemistry, Organopalladium compounds, Catalysts, Gallium arsenide, Molecular beam epitaxy | ||||
Journal or Publication Title: | International Conference on Indium Phosphide and Related Materials. Proceedings | ||||
Publisher: | IEEE | ||||
ISSN: | 1092-8669 | ||||
Official Date: | 9 December 2008 | ||||
Dates: |
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Page Range: | pp. 10412192-1 | ||||
DOI: | 10.1109/ICIPRM.2008.4703069 | ||||
Status: | Peer Reviewed | ||||
Publication Status: | Published | ||||
Access rights to Published version: | Restricted or Subscription Access | ||||
Conference Paper Type: | Paper | ||||
Title of Event: | 20th International Conference on Indium Phosphide and Related Materials, 2008. (IPRM 2008). | ||||
Type of Event: | Conference | ||||
Location of Event: | Versailles, France | ||||
Date(s) of Event: | 25-29 May 2008 |
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