Activity improvement of gold yolk–shell catalysts for CO oxidation by doping with TiO2

Activity improvement of gold yolk–shell catalysts for CO oxidation by doping with TiO2

Au, rO2 yolk-shell catalysts were found to exhibit a surprisingly high activity in CO oxidation even though the gold particle size is about 15 nm. A further enhancement of the activity has been achieved by simply doping these materials with small amounts of TiO2 during synthesis. A comparison of the...

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Veröffentlicht in:Catalysis science & technology 2011-01, Vol.1 (1), p.65-68
Hauptverfasser: Güttel, Robert, Paul, Michael, Schüth, Ferdi
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Sprache:eng
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Carbon monoxide
Catalysis
Catalysts
Doping
Gold
Oxidation
Titanium dioxide
Zirconium dioxide
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creator Güttel, Robert
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Schüth, Ferdi
description Au, rO2 yolk-shell catalysts were found to exhibit a surprisingly high activity in CO oxidation even though the gold particle size is about 15 nm. A further enhancement of the activity has been achieved by simply doping these materials with small amounts of TiO2 during synthesis. A comparison of the standard Au, rO2 yolk-shell catalysts with the novel TiO2-doped Au/Ti, rO2 shows significant activity enhancement, even though small amounts of TiO2 are present.
doi_str_mv 10.1039/c0cy00026d
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source Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals; Royal Society Of Chemistry Journals 2008-; Alma/SFX Local Collection
subjects Carbon monoxide
Catalysis
Catalysts
Doping
Gold
Oxidation
Titanium dioxide
Zirconium dioxide
title Activity improvement of gold yolk–shell catalysts for CO oxidation by doping with TiO2
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