The role of F-centers in catalysis by Au supported on MgO

被引:161
作者
Yan, Z [1 ]
Chinta, S [1 ]
Mohamed, AA [1 ]
Fackler, JP [1 ]
Goodman, DW [1 ]
机构
[1] Texas A&M Univ, Dept Chem, College Stn, TX 77842 USA
关键词
D O I
10.1021/ja043652m
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
A correlation is found between the activity of Au clusters for the catalytic oxidation of CO and the concentration of F-centers in the surface of a MgO support. These results are consistent with recent theoretical results showing that F-centers in MgO serve to anchor Au clusters and control their charge state by partial transfer of charge from the substrate F-center to the Au cluster. Copyright © 2005 American Chemical Society.
引用
收藏
页码:1604 / 1605
页数:2
相关论文
共 22 条
  • [1] The structure of catalytically active gold on titania
    Chen, MS
    Goodman, DW
    [J]. SCIENCE, 2004, 306 (5694) : 252 - 255
  • [2] CHARGE AND MASS-TRANSFER INVOLVING HYDROGEN IN MGO CRYSTALS THERMOCHEMICALLY REDUCED AT HIGH-TEMPERATURES
    CHEN, Y
    GONZALEZ, R
    SCHOW, OE
    SUMMERS, GP
    [J]. PHYSICAL REVIEW B, 1983, 27 (02): : 1276 - 1282
  • [3] DEFECT CLUSTER CENTERS IN MGO
    CHEN, Y
    WILLIAMS, RT
    SIBLEY, WA
    [J]. PHYSICAL REVIEW, 1969, 182 (03): : 960 - &
  • [4] PRETREATMENT EFFECTS ON THE ACTIVE-SITE FOR METHANE ACTIVATION IN THE OXIDATIVE COUPLING OF METHANE OVER MGO AND LI/M-GO
    COULTER, K
    SZANYI, J
    GOODMAN, DW
    [J]. CATALYSIS LETTERS, 1995, 35 (1-2) : 23 - 32
  • [5] Active nonmetallic Au and Pt species on ceria-based water-gas shift catalysts
    Fu, Q
    Saltsburg, H
    Flytzani-Stephanopoulos, M
    [J]. SCIENCE, 2003, 301 (5635) : 935 - 938
  • [6] Catalysis by supported gold: Correlation between catalytic activity for CO oxidation and oxidation states of gold
    Guzman, J
    Gates, BC
    [J]. JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 2004, 126 (09) : 2672 - 2673
  • [7] NOVEL GOLD CATALYSTS FOR THE OXIDATION OF CARBON-MONOXIDE AT A TEMPERATURE FAR BELOW 0-DEGREES-C
    HARUTA, M
    KOBAYASHI, T
    SANO, H
    YAMADA, N
    [J]. CHEMISTRY LETTERS, 1987, (02) : 405 - 408
  • [8] Size- and support-dependency in the catalysis of gold
    Haruta, M
    [J]. CATALYSIS TODAY, 1997, 36 (01) : 153 - 166
  • [9] The adhesion and shape of nanosized Au particles in a Au/TiO2 catalyst
    Lopez, N
    Norskov, JK
    Janssens, TVW
    Carlsson, A
    Puig-Molina, A
    Clausen, BS
    Grunwaldt, JD
    [J]. JOURNAL OF CATALYSIS, 2004, 225 (01) : 86 - 94
  • [10] Catalytic CO oxidation by a gold nanoparticle: A density functional study
    Lopez, N
    Norskov, JK
    [J]. JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 2002, 124 (38) : 11262 - 11263