High-activity Au/CuO-ZnO catalysts for the oxidation of carbon monoxide at ambient temperature
被引:72
作者:
Hutchings, GJ
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机构:
UNIV LIVERPOOL,DEPT MAT SCI & ENGN,LIVERPOOL L69 3BX,MERSEYSIDE,ENGLANDUNIV LIVERPOOL,DEPT MAT SCI & ENGN,LIVERPOOL L69 3BX,MERSEYSIDE,ENGLAND
Hutchings, GJ
[1
]
Siddiqui, MRH
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UNIV LIVERPOOL,DEPT MAT SCI & ENGN,LIVERPOOL L69 3BX,MERSEYSIDE,ENGLANDUNIV LIVERPOOL,DEPT MAT SCI & ENGN,LIVERPOOL L69 3BX,MERSEYSIDE,ENGLAND
Siddiqui, MRH
[1
]
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机构:
Burrows, A
[1
]
Kiely, CJ
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机构:
UNIV LIVERPOOL,DEPT MAT SCI & ENGN,LIVERPOOL L69 3BX,MERSEYSIDE,ENGLANDUNIV LIVERPOOL,DEPT MAT SCI & ENGN,LIVERPOOL L69 3BX,MERSEYSIDE,ENGLAND
Kiely, CJ
[1
]
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机构:
Whyman, R
[1
]
机构:
[1] UNIV LIVERPOOL,DEPT MAT SCI & ENGN,LIVERPOOL L69 3BX,MERSEYSIDE,ENGLAND
来源:
JOURNAL OF THE CHEMICAL SOCIETY-FARADAY TRANSACTIONS
|
1997年
/
93卷
/
01期
关键词:
D O I:
10.1039/a606482e
中图分类号:
O64 [物理化学(理论化学)、化学物理学];
学科分类号:
070304 ;
081704 ;
摘要:
Ambient temperature CO oxidation has been studied with Au/ZnO, Au/CuO and Au/CuO-ZnO catalysts prepared by a coprecipitation method. The catalysts are highly active for CO oxidation and are capable of sustained activity at 20 degrees C. The highest activity is observed with Au/ZnO and this catalyst is shown, using transmission electron microscopy, to be comprised of smaller Au metal particles (2-5 nm) and a higher Au dispersion when compared with the other catalysts.