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A series of Zn-modified ceria solids were prepared by thermal decomposition of the corresponding metal propionates. The formation of segregated ZnO particles on the ceria surface is evidenced for these solids using X-ray diffraction; in addition to this the characterization data may allow discarding the formation of a ZnO–CeO 2 solid solution. On modifying with Zn, the reducibility of the...
A series of ceria oxides doped with 10mol.% of Zr, Zn and Fe have been prepared by a pseudo sol–gel method throughout the thermal decomposition of the corresponding metallic propionates. With these supports, 1wt.% gold catalysts were prepared by the deposition–precipitation method. All the solids were characterized by means of XRF, N 2 adsorption, XRD, Raman spectroscopy and SEM techniques,...
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