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Issue 5, 2003
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In situ transmission electron microscopy investigation of Ce(IV) and Pr(IV) reducibility in a Rh (1%)/Ce0.8Pr0.2O2−x catalyst

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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.

Graphical abstract: In situ transmission electron microscopy investigation of Ce(iv) and Pr(iv) reducibility in a Rh (1%)/Ce0.8Pr0.2O2−x catalyst

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Publication details

The article was received on 26 Nov 2002, accepted on 28 Jan 2003 and first published on 10 Feb 2003


Article type: Communication
DOI: 10.1039/B211786J
Citation: Chem. Commun., 2003,0, 644-645
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    In situ transmission electron microscopy investigation of Ce(IV) and Pr(IV) reducibility in a Rh (1%)/Ce0.8Pr0.2O2−x catalyst

    C. López-Cartes, S. Bernal, J. J. Calvino, M. A. Cauqui, G. Blanco, J. A. Pérez-Omil, J. M. Pintado, S. Helveg and P. L. Hansen, Chem. Commun., 2003, 0, 644
    DOI: 10.1039/B211786J

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