987 resultados para 02241830 CTD-100
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Vorbesitzer: Abraham Merzbacher
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[Verf.: Josef Seligmann]
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dargest. von Aron Friedmann
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dargest. von Aron Friedmann
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hrsg. von Aron Friedmann
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hrsg. von M. Brann
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udg. af S. H. Simonsens Børn ved Josef Fischer
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We present an experimental study of the CO electro-oxidation on Pt(100)-(1 × 1) electrodes employing electrochemical methods in combination with in situ scanning tunneling microscopy (STM) and shell-isolated nanoparticle enhanced Raman spectroscopy (SHINERS). We discussed the nature and stability of the active sites in the preignition region in the presence of dissolved CO (COb) and monitored substrate structure changes during the COb electro-oxidation process. We corroborated that the electro-oxidation kinetics is determined decisively by the history of CO adlayer formation. A new mechanism was proposed for Pt(100) electrode deactivation in the preignition region after excursion of electrode potential to COb ignition region. We believe that this mechanism takes place on Pt surfaces independently on their crystallographic orientation.
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Vortrag von Josef Eschelbacher
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von Adolf Salvendi
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von Josef Meisl
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hrsg. vom Verband d. Vereine f. Jüdische Geschichte u. Litteratur in Deutschland. Mit Beitr. von W. Bacher [u.a.]