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National Repository of Grey Literature 1 records found  Search took 0.00 seconds. 
Interaction of water vapor with epitaxial layers of cerium dioxide
 Morvai, Orsolya ; Šmíd, Břetislav (advisor) ; López-Roso Redondo, Jesús Rubén (referee)
This thesis investigates the interaction between water and cerium oxide, which, due to its oxygen storage activity, could be widely used in nanomedicine, catalysis, and environmental applications. Despite extensive research, a fundamental understanding of how water interacts with cerium oxide under ambient conditions has been lacking. The study utilizes scanning tunneling microscopy, near-ambient pressure X-ray photoelectron spectroscopy, and the study of water dissociation on stoichiometric CeO2(111)/Pt(111) thin films with controlled step density. The results demonstrate the identification of three adsorption species and reveal that the dissociation kinetics depend on step density. These findings provide new insights into the role of water in cerium oxide interactions under operando conditions.
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