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Gold nanoparticles supported on titania and alumina were used as catalysts for CO oxidation. The oxidation of C 16 O (2 mol%) with 18 O 2 (2 mol%) in He at ambient temperature and 1.2 atm total pressure was performed in a single-pass, fixed-bed reactor. A mixture of CO 2 isotopomers was observed during oxidation over Au/TiO 2 and Au/Al 2 O 3 ...
Titania- and alumina-supported Au nanoparticles were synthesized by a deposition-precipitation method and subsequent thermal treatment in He. X-ray absorption spectroscopy at the Au-L III edge revealed that the as-prepared Au/TiO 2 sample contained cationic Au that was reduced to a predominately metallic state after treatment in He at 623 K. Scanning transmission electron microscopy...
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