Fast oxygen uptake/release over a new CeOx phase

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Daniela Terribile, Marta Boaro, Carla de Leitenburg, Giuliano Dolcetti, Alessandro Trovarelli, Daniela Terribile and Jordi Llorca


Abstract

High-temperature reduction/oxidation cycles promote the oxygen storage capacity of mesoporous ceria; this is associated with the formation during reduction of a hexagonal CeOx phase which on reoxidation gives amorphous ceria.


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