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Unique Catalytic Activity of Platinum Eluted into Perovskite in the Solid Phase

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Abstract

It has been found that Pt eluted into the (La0.7Sr0.2Ba0.1)ScO3-δ perovskite oxide exhibited higher catalytic activity for CO oxidation than for H2 oxidation under separate reaction conditions, a behaviour which differs from that of conventional Pt catalysts. The unique activity appeared when ionic Pt in the perovskite lattice was partly reduced, forming Pt nanoparticles on the surface.

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Acknowledgments

The authors would like to acknowledge Dr. Tomoki Akita (AIST) for his TEM observations and to Dr. Tadahiro Fujitani (AIST) and Prof. Masatake Haruta (Tokyo Metropolitan University) for their advice and encouragement.

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Authors and Affiliations

  1. Research Institute for Innovation in Sustainable Chemistry, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, 305-8569, Japan

    M. Daté, H. Imai & S. Tsubota

  2. Research Institute for Ubiquitous Energy Devices, National Institute of Advanced Industrial Science and Technology (AIST), Ikeda, 563-8577, Japan

    K. Nomura & H. Kageyama

Authors
  1. M. Daté
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  2. K. Nomura
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  3. H. Kageyama
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  4. H. Imai
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  5. S. Tsubota
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Correspondence to M. Daté.

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Daté, M., Nomura, K., Kageyama, H. et al. Unique Catalytic Activity of Platinum Eluted into Perovskite in the Solid Phase. Catal Lett 117, 107–111 (2007). https://doi.org/10.1007/s10562-007-9159-9

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  • DOI: https://doi.org/10.1007/s10562-007-9159-9

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