Unique Catalytic Activity of Platinum Eluted into Perovskite in the Solid Phase |
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| Authors: | M. Daté K. Nomura H. Kageyama H. Imai S. Tsubota |
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| Affiliation: | (1) Research Institute for Innovation in Sustainable Chemistry, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba 305-8569, Japan;(2) Research Institute for Ubiquitous Energy Devices, National Institute of Advanced Industrial Science and Technology (AIST), Ikeda 563-8577, Japan |
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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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| Keywords: | Platinum Oxidation catalyst Carbon monoxide Hydrogen Perovskite Oxide support |
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