2007
DOI: 10.1002/ange.200702815
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Die Steuerung der Reaktivität von Oxidoberflächen durch ladungsakzeptierende Adsorbate

Abstract: Der Süd-Chemie zum 150-jährigen Firmenjubiläum gewidmet Der oberflächenchemische Ansatz zur heterogenen Katalyse beruht auf Untersuchungen an Modellkatalysatoren (übli-cherweise Einkristalloberflächen) im Ultrahochvakuum (UHV).[ [3,4] Die entsprechenden Resultate wurden in Tabelle 1 zusammengestellt. Die CO-AdAbbildung 1. Isothermen der CO-Adsorption auf a) CO 2 -freiem ZnOPulver (Nanotek); b) CO 2 -modifiziertem ZnO-Pulver, erste Adsorption; c) CO 2 -modifiziertem ZnO-Pulver, zweite Adsorption nach Evakuiere… Show more

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Cited by 7 publications
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“…This value does not agree with any of the CO stretch frequencies reported previously for CO adsorbed on ZnO substrates. A red‐shift of around 70 cm −1 is evident relative to previous single‐crystal data (2192 cm −1 for ZnO(10$\bar 1$ 0),26 2178 cm −1 for the Zn‐terminated ZnO(0001)27) as well as for CO adsorbed on ZnO powders (2187 cm −1 ) 28. The anomalous band at 2116 cm −1 cannot be due to CO bound to Cu or oxidized Cu atoms, as evidenced by careful experiments for CO adsorbed on an oxidized Cu(111) surface (see Figure 2 and Figure S3).…”
contrasting
confidence: 50%
“…This value does not agree with any of the CO stretch frequencies reported previously for CO adsorbed on ZnO substrates. A red‐shift of around 70 cm −1 is evident relative to previous single‐crystal data (2192 cm −1 for ZnO(10$\bar 1$ 0),26 2178 cm −1 for the Zn‐terminated ZnO(0001)27) as well as for CO adsorbed on ZnO powders (2187 cm −1 ) 28. The anomalous band at 2116 cm −1 cannot be due to CO bound to Cu or oxidized Cu atoms, as evidenced by careful experiments for CO adsorbed on an oxidized Cu(111) surface (see Figure 2 and Figure S3).…”
contrasting
confidence: 50%