High-activity Au/CuO-ZnO catalysts for the oxidation of carbon monoxide at ambient temperature

被引:72
作者
Hutchings, GJ [1 ]
Siddiqui, MRH [1 ]
Burrows, A [1 ]
Kiely, CJ [1 ]
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.
引用
收藏
页码:187 / 188
页数:2
相关论文
共 11 条
  • [1] THE OXIDATION AND SCRAMBLING OF CO WITH OXYGEN AT ROOM-TEMPERATURE ON AU/ZNO
    BOCCUZZI, F
    CHIORINO, A
    TSUBOTA, S
    HARUTA, M
    [J]. CATALYSIS LETTERS, 1994, 29 (1-2) : 225 - 234
  • [2] INFLUENCE OF DRY OPERATING-CONDITIONS - OBSERVATION OF OSCILLATIONS AND LOW-TEMPERATURE CO OXIDATION OVER CO3O4 AND AU/CO3O4 CATALYSTS
    CUNNINGHAM, DAH
    KOBAYASHI, T
    KAMIJO, N
    HARUTA, M
    [J]. CATALYSIS LETTERS, 1994, 25 (3-4) : 257 - 264
  • [3] CATALYTIC BEHAVIOR OF NOBLE-METAL REDUCIBLE OXIDE MATERIALS FOR LOW-TEMPERATURE CO OXIDATION .1. COMPARISON OF CATALYST PERFORMANCE
    GARDNER, SD
    HOFLUND, GB
    SCHRYER, DR
    SCHRYER, J
    UPCHURCH, BT
    KIELIN, EJ
    [J]. LANGMUIR, 1991, 7 (10) : 2135 - 2139
  • [4] LOW-TEMPERATURE OXIDATION OF CO OVER GOLD SUPPORTED ON TIO2, ALPHA-FE2O3, AND CO3O4
    HARUTA, M
    TSUBOTA, S
    KOBAYASHI, T
    KAGEYAMA, H
    GENET, MJ
    DELMON, B
    [J]. JOURNAL OF CATALYSIS, 1993, 144 (01) : 175 - 192
  • [5] GOLD CATALYSTS PREPARED BY COPRECIPITATION FOR LOW-TEMPERATURE OXIDATION OF HYDROGEN AND OF CARBON-MONOXIDE
    HARUTA, M
    YAMADA, N
    KOBAYASHI, T
    IIJIMA, S
    [J]. JOURNAL OF CATALYSIS, 1989, 115 (02) : 301 - 309
  • [6] HARUTA M, 1996, ACS S AM CHEM SOC NE
  • [7] HAYASHI T, 1996, ACS S AM CHEM SOC NE
  • [8] THE INFLUENCE OF PRECURSOR STRUCTURE AND COMPOSITION ON THE ACTIVITY OF COPPER/ZINC OXIDE CATALYSTS FOR METHANOL SYNTHESIS
    Joyner, Richard W.
    King, Frank
    Thomas, Martin A.
    Roberts, Glyn
    [J]. CATALYSIS TODAY, 1991, 10 (03) : 417 - 419
  • [9] LOW-TEMPERATURE CO OXIDATION OVER AU/TIO2 AND AU/SIO2 CATALYSTS
    LIN, SD
    BOLLINGER, M
    VANNICE, MA
    [J]. CATALYSIS LETTERS, 1993, 17 (3-4) : 245 - 262
  • [10] LITERATURE-REVIEW - DEACTIVATION OF CATALYSTS IN THE OXIDATION OF VOLATILE ORGANIC-COMPOUNDS
    SPIVEY, JJ
    BUTT, JB
    [J]. CATALYSIS TODAY, 1992, 11 (04) : 465 - 500