Nanocrystalline Pr-doped ceria powders were prepared for the first time by a microwave-assisted hydrothermal route. The effect of the microwave treatment in relation to the conventional hydrothermal technique was evaluated. The samples prepared were characterized in terms of composition, crystalline structure, particle shape and size distribution by X-ray diffraction, transmission electron microscopy (TEM) and specific surface area analysis (BET). The color properties of these solid solutions were also evaluated as a function of synthesis conditions and composition. Finally the oxidation state of the Pr cations and the relative quantities of Pr(IV) and Pr( III) were investigated by X-ray absorption at the M-4,M-5 Pr absorption edge.

Synthesis and characterization of praseodymium-doped ceria powders by a microwave-assisted hydrothermal (MH) route / Bondioli, Federica; Ferrari, Anna Maria; Lusvarghi, Luca; Manfredini, Tiziano; Nannarone, Stefano; Pasquali, Luca; Selvaggi,. - In: JOURNAL OF MATERIALS CHEMISTRY. - ISSN 0959-9428. - STAMPA. - 15:(2005), pp. 1061-1066.

Synthesis and characterization of praseodymium-doped ceria powders by a microwave-assisted hydrothermal (MH) route

FERRARI, Anna Maria;LUSVARGHI, Luca;MANFREDINI, Tiziano;PASQUALI, Luca;
2005

Abstract

Nanocrystalline Pr-doped ceria powders were prepared for the first time by a microwave-assisted hydrothermal route. The effect of the microwave treatment in relation to the conventional hydrothermal technique was evaluated. The samples prepared were characterized in terms of composition, crystalline structure, particle shape and size distribution by X-ray diffraction, transmission electron microscopy (TEM) and specific surface area analysis (BET). The color properties of these solid solutions were also evaluated as a function of synthesis conditions and composition. Finally the oxidation state of the Pr cations and the relative quantities of Pr(IV) and Pr( III) were investigated by X-ray absorption at the M-4,M-5 Pr absorption edge.
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1066
Synthesis and characterization of praseodymium-doped ceria powders by a microwave-assisted hydrothermal (MH) route / Bondioli, Federica; Ferrari, Anna Maria; Lusvarghi, Luca; Manfredini, Tiziano; Nannarone, Stefano; Pasquali, Luca; Selvaggi,. - In: JOURNAL OF MATERIALS CHEMISTRY. - ISSN 0959-9428. - STAMPA. - 15:(2005), pp. 1061-1066.
Bondioli, Federica; Ferrari, Anna Maria; Lusvarghi, Luca; Manfredini, Tiziano; Nannarone, Stefano; Pasquali, Luca; Selvaggi,
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11380/310303
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