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Gadolinium-doped cerium oxide nanorods: novel active catalysts for ethanol reforming

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Abstract

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.

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Acknowledgements

Financial support by FAPESP, FINEP and CNPq is gratefully acknowledged.

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Authors and Affiliations

  1. Centro Universitário do Leste de Minas Gerais, 35170-056, Coronel Fabriciano, MG, Brazil

    Mario Godinho

  2. Departamento de Química, Universidade Federal de São Carlos, 13565-905, São Carlos, SP, Brazil

    Rosana de F. Gonçalves & Edson R. Leite

  3. Departamento de Química Analítica e Inorgânica, Universidade Federal de Pelotas, 96010-900, Capão do Leão, RS, Brazil

    Cristiane W. Raubach & Neftalí L. V. Carreño

  4. Departamento de Química, Universidade Federal de Santa Catarina, 88040-900, Florianópolis, SC, Brazil

    Luiz F. D. Probst

  5. Departamento de Bioquímica e Tecnologia Química, Universidade Estadual Paulista, 15385-000, Araraquara, SP, Brazil

    Elson Longo

  6. Departamento de Química, Instituto de Ciências Exatas e Biológicas, Campus Universitário s/n Bauxita, Universidade Federal de Ouro Preto, 35400-000, Ouro Preto, MG, Brazil

    Humberto V. Fajardo

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  1. Mario Godinho
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  2. Rosana de F. Gonçalves
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  8. Humberto V. Fajardo
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Correspondence to Humberto V. Fajardo.

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Godinho, M., de F. Gonçalves, R., Leite, E.R. et al. Gadolinium-doped cerium oxide nanorods: novel active catalysts for ethanol reforming. J Mater Sci 45, 593–598 (2010). https://doi.org/10.1007/s10853-009-3932-7

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  • DOI: https://doi.org/10.1007/s10853-009-3932-7

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