In situtransmission electron microscopy investigation of Ce(iv) and Pr(iv) reducibility in a Rh (1%)/Ce0.8Pr0.2O2−xcatalyst

Literature Information

Publication Date 2003-02-10
DOI 10.1039/B211786J
Impact Factor 6.222
Authors

C. López-Cartes, S. Bernal, J. J. Calvino, M. A. Cauqui, G. Blanco, J. A. Pérez-Omil, J. M. Pintado, S. Helveg, P. L. Hansen


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Abstract

In-situ Atomic Resolution Transmission Electron Microscopy studies carried out on a Rh/Ce0.8Pr0,2O2−x catalyst, under hydrogen in the temperature range 298–1223 K, show the occurrence of consecutive reduction of Pr4+ and Ce4+ ions, and the formation of an oxygen-deficient Ln16O30 (Ln: Ce, Pr) ordered phase.

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