Structural Characteristics of Bimetallic Catalysts Supported on Nano-Ceria | Zendy

Joe F. Bozeman | Zendy; Hong Huang | Zendy

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Structural Characteristics of Bimetallic Catalysts Supported on Nano-Ceria

Author(s) -

Joe F. Bozeman,

Hong Huang

Publication year - 2011

Publication title -

journal of nanomaterials

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.463

H-Index - 66

eISSN - 1687-4129

pISSN - 1687-4110

DOI - 10.1155/2011/329757

Subject(s) - materials science , bimetallic strip , catalysis , bimetal , nanocrystalline material , nanocomposite , chemical engineering , oxide , solid solution , nanoparticle , nano , calcination , metallurgy , inorganic chemistry , metal , composite material , nanotechnology , chemistry , engineering , biochemistry

Cu-Pt bimetal catalysts supported on nanocrystalline CeO2 (nano-ceria) are synthesized via the low-cost sol-gel approach followed by impregnation processing. The average particle size of the catalytic composites is 63 nm. Ceria nanopowders sequentially impregnated in copper solution and then in Pt solution transformed into Pt-skin-structured Cu-Pt/ceria nanocomposite, based on the surface elemental and bulk compositional analyses. The ceria supporter has a fluorite structure, but the structure of Cu and Pt catalytic contents, not detected by X-ray diffraction spectroscopy due to the low loading level, is yet conclusive. The bimetallic catalytic nanocomposites may potentially serve as sulfur-tolerant anode in solid oxide fuel cells

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