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The Nanomorphology-Controlled Palladium-Support Interaction and the Catalytic Performance of Pd/CeO2 Catalysts

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Abstract

Nanorods and nanoparticles of CeO2 were successfully synthesized and used as support of Pd/CeO2 catalysts. It is found that the nanorods show obvious advantages as the support, compared with the nanoparticles. Low efficiency in the formation of reduced Pd, and partial encapsulation of Pd species account for the poor activity of Pd supported on CeO2 nanoparticles. On the contrary, a favorable interaction between Pd and the crystal planes [1 1 0] and [1 0 0] of CeO2 nanorods effectively promotes the reducibility of Pd species, resulting in much better catalytic performance of Pd/CeO2 catalyst for CO oxidation.

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Acknowledgments

This work is supported by the “863 Program” of the Ministry of Science & Technology of China (2006AA06Z348), the National Natural Science Foundation of China (20676097) and the Program of New Century Excellent Talents in University of China (NCET-07-0599). The authors are also grateful to the Natural Science Foundation of Tianjin (No. 07JCYBJC15100) and the Cheung Kong Scholar Program for Innovative Teams of the Ministry of Education (No. IRT0641).

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Authors and Affiliations

  1. Tianjin Key Laboratory of Catalysis Science and Engineering, School of Chemical Engineering and Technology, Tianjin University, 300072, Tianjin, People’s Republic of China

    Jin-Yong Luo, Ming Meng, Hui Xian, Yun-Bao Tu, Xin-Gang Li & Tong Ding

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  1. Jin-Yong Luo
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  2. Ming Meng
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  3. Hui Xian
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  5. Xin-Gang Li
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Correspondence to Ming Meng.

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Luo, JY., Meng, M., Xian, H. et al. The Nanomorphology-Controlled Palladium-Support Interaction and the Catalytic Performance of Pd/CeO2 Catalysts. Catal Lett 133, 328–333 (2009). https://doi.org/10.1007/s10562-009-0194-6

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  • DOI: https://doi.org/10.1007/s10562-009-0194-6

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