NO + CO Reaction on Polycrystalline Palladium Foils with Specific Surface Crystallographic Orientation: A New Approach to Develop Foil Catalysts Based on Texture Control

Kenta Hayashi; Satoshi Kameoka; An-Pang Tsai

doi:10.2320/matertrans.MT-M2021050

Microstructure of Materials

NO + CO Reaction on Polycrystalline Palladium Foils with Specific Surface Crystallographic Orientation: A New Approach to Develop Foil Catalysts Based on Texture Control

Kenta Hayashi, Satoshi Kameoka, An-Pang Tsai

著者情報

キーワード: foil catalyst, texture control, surface crystallographic orientation, structure sensitivity, palladium catalyst, NO + CO reaction, electron backscattered diffraction, material gap

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2021 年 62 巻 8 号 p. 1089-1096

DOI https://doi.org/10.2320/matertrans.MT-M2021050

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抄録

Catalytic properties of the metal foils were tuned by the specific surface crystallographic orientation control. The NO + CO reactivity of polycrystalline Pd foils with (101) or (211) orientation, characterized by using electron backscattered diffraction (EBSD), was investigated. The (211)-oriented Pd foils exhibited much greater activity compared with (101) orientated Pd foils, which is in good agreement with the previous structure sensitivity studies on NO + CO reactions over Pd. Hence, the present study introduces the surface crystallographic orientation control of foil catalysts as a new development strategy for the unique catalysts in the material gap.

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