In situ XPS study of methanol reforming on PdGa near-surface intermetallic phases

[Display omitted] ► A Pd1Ga1 surface without Ga2O3 contact is inactive for CO2 formation in methanol steam reforming. ► In situ XPS spectroscopy showed that water activation is blocked on Pd1Ga1. ► The valence band electronic structure of Pd1Ga1 favors selective dehydrogenation to H2CO. ► In oxidati...

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Veröffentlicht in:	Journal of catalysis 2012-06, Vol.290 (C), p.126-137
Hauptverfasser:	Rameshan, Christoph, Stadlmayr, Werner, Penner, Simon, Lorenz, Harald, Mayr, Lukas, Hävecker, Michael, Blume, Raoul, Rocha, Tulio, Teschner, Detre, Knop-Gericke, Axel, Schlögl, Robert, Zemlyanov, Dmitry, Memmel, Norbert, Klötzer, Bernhard
Format:	Artikel
Sprache:	eng
Schlagworte:	Ambient-pressure XPS annealing carbon dioxide Catalysis Chemistry desorption Exact sciences and technology General and physical chemistry In situ spectroscopy Methanol Methanol dehydrogenation Methanol steam reforming Oxidation Oxidative steam reforming oxygen PdGa near-surface intermetallic phase steam Surface physical chemistry temperature Theory of reactions, general kinetics. Catalysis. Nomenclature, chemical documentation, computer chemistry Water activation X-ray photoelectron spectroscopy
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