Gadolinium-doped cerium oxide nanorods: novel active catalysts for ethanol reforming
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The gadolinium-doped ceria nanorods (Gd0.2Ce0.8O2−x) were synthesized by hydrothermal treatment. It was shown that the use of microwave heating during hydrothermal treatment decreases the treatment time required to obtain gadolinium-doped ceria nanorods and that oriented attachment is the dominant mechanism responsible for anisotropic growth. It was clear that Gd0.2Ce0.8O2−x nanorods were more catalytically active than commercial CeO2 in the ethanol reforming reaction.
KeywordsCeO2 Hydrothermal Treatment Microwave Heating Cerium Oxide Ethanol Conversion
Financial support by FAPESP, FINEP and CNPq is gratefully acknowledged.