Analytical high-resolution TEM study of supported gold catalysts:: orientation relationship between Au particles and TiO2 supports

被引:90
作者
Akita, T [1 ]
Tanaka, K [1 ]
Tsubota, S [1 ]
Haruta, M [1 ]
机构
[1] Osaka Natl Res Inst, AIST, Ikeda, Osaka 5638577, Japan
来源
JOURNAL OF ELECTRON MICROSCOPY | 2000年 / 49卷 / 05期
关键词
ultrafine Au particle; epitaxial orientation catalyst; HR-TEM;
D O I
10.1093/oxfordjournals.jmicro.a023855
中图分类号
TH742 [显微镜];
学科分类号
摘要
An analytical high-resolution TEM study was carried out for gold deposited on TiO2 (anatase and rutile) to obtain a structural insight into the unique catalytic properties of the system. Preferred orientations between Au particles and the TiO2 support were often observed and a model for the epitaxial orientation between the Au particles and anatase TiO2 was proposed. These results were consistent with the results calculated by the coincidence of reciprocal lattice point (CRLP) method.
引用
收藏
页码:657 / 662
页数:6
相关论文
共 13 条
  • [1] EXPERIMENTAL-EVIDENCE FOR QUASIMELTING IN SMALL PARTICLES
    AJAYAN, PM
    MARKS, LD
    [J]. PHYSICAL REVIEW LETTERS, 1989, 63 (03) : 279 - 282
  • [2] REVERSIBILITY OF STRONG METAL SUPPORT INTERACTIONS ON RH/TIO2
    BRAUNSCHWEIG, EJ
    LOGAN, AD
    DATYE, AK
    SMITH, DJ
    [J]. JOURNAL OF CATALYSIS, 1989, 118 (01) : 227 - 237
  • [3] 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
  • [4] Selective vapor-phase epoxidation of propylene over Au/TiO2 catalysts in the presence of oxygen and hydrogen
    Hayashi, T
    Tanaka, K
    Haruta, M
    [J]. JOURNAL OF CATALYSIS, 1998, 178 (02) : 566 - 575
  • [5] STRUCTURAL INSTABILITY OF ULTRAFINE PARTICLES OF METALS
    IIJIMA, S
    ICHIHASHI, T
    [J]. PHYSICAL REVIEW LETTERS, 1986, 56 (06) : 616 - 619
  • [6] Orientation relationship in large mismatched bicrystals and coincidence of reciprocal lattice points (CRLP)
    Ikuhara, Y
    Pirouz, P
    [J]. INTERGRANULAR AND INTERPHASE BOUNDARIES IN MATERIALS, PT 1, 1996, 207 : 121 - 124
  • [7] IKUHARA Y, 1998, MICROS RES TECHN, V40, P317
  • [8] A DENSE NON-CRYSTALLOGRAPHIC PACKING OF EQUAL SPHERES
    MACKAY, AL
    [J]. ACTA CRYSTALLOGRAPHICA, 1962, 15 (SEP): : 916 - &
  • [9] EXPERIMENTAL STUDIES OF SMALL-PARTICLE STRUCTURES
    MARKS, LD
    [J]. REPORTS ON PROGRESS IN PHYSICS, 1994, 57 (06) : 603 - 649
  • [10] DYNAMIC ATOMIC-LEVEL REARRANGEMENTS IN SMALL GOLD PARTICLES
    SMITH, DJ
    PETFORDLONG, AK
    WALLENBERG, LR
    BOVIN, JO
    [J]. SCIENCE, 1986, 233 (4766) : 872 - 875