Direct observation of nanorange ordered microporosity within mesoporous molecular sieves

被引:73
作者
Liu, J
Zhang, X [1 ]
Han, Y
Xiao, FS
机构
[1] Tsinghua Univ, Sch Mat Sci & Engn, Electron Microscopy Lab, Beijing 100084, Peoples R China
[2] Jilin Univ, Dept Chem, Changchun 130023, Peoples R China
关键词
D O I
10.1021/cm0103951
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
Mesoporous molecular sieves SBA-15, and MAS-7 and MTS-9 synthesized from zeolite primary structure units, are characterized by high-resolution transmission electron microscopy (HRTEM). Direct observation of the micropores within these mesoporous materials via HRTEM is presented. And nanorange ordered microporosity is found for the first time within the pore walls of MAS-7 and MTS-9, which might be the key to the high hydrothermal stability of the mesoporous materials.
引用
收藏
页码:2536 / 2540
页数:5
相关论文
共 24 条
  • [1] A NEW FAMILY OF MESOPOROUS MOLECULAR-SIEVES PREPARED WITH LIQUID-CRYSTAL TEMPLATES
    BECK, JS
    VARTULI, JC
    ROTH, WJ
    LEONOWICZ, ME
    KRESGE, CT
    SCHMITT, KD
    CHU, CTW
    OLSON, DH
    SHEPPARD, EW
    MCCULLEN, SB
    HIGGINS, JB
    SCHLENKER, JL
    [J]. JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1992, 114 (27) : 10834 - 10843
  • [2] From microporous to mesoporous molecular sieve materials and their use in catalysis
    Corma, A
    [J]. CHEMICAL REVIEWS, 1997, 97 (06) : 2373 - 2419
  • [3] A MOLECULAR-SIEVE WITH 18-MEMBERED RINGS
    DAVIS, ME
    SALDARRIAGA, C
    MONTES, C
    GARCES, J
    CROWDER, C
    [J]. NATURE, 1988, 331 (6158) : 698 - 699
  • [4] On the microporous nature of mesoporous molecular sieves
    Göltner, CG
    Smarsly, B
    Berton, B
    Antonietti, M
    [J]. CHEMISTRY OF MATERIALS, 2001, 13 (05) : 1617 - 1624
  • [5] A novel method for incorporation of heteroatoms into the framework of ordered mesoporous silica materials synthesized in strong acidic media
    Han, Y
    Xiao, FS
    Wu, S
    Sun, YY
    Meng, XJ
    Li, DS
    Lin, S
    Deng, F
    Ai, XJ
    [J]. JOURNAL OF PHYSICAL CHEMISTRY B, 2001, 105 (33) : 7963 - 7966
  • [6] Investigation of synthesizing MCM-41/ZSM-5 composites
    Huang, LM
    Guo, WP
    Deng, P
    Xue, ZY
    Li, QZ
    [J]. JOURNAL OF PHYSICAL CHEMISTRY B, 2000, 104 (13) : 2817 - 2823
  • [7] Composites of micro- and mesoporous materials:: simultaneous syntheses of MFI/MCM-41 like phases by a mixed template approach
    Karlsson, A
    Stöcker, M
    Schmidt, R
    [J]. MICROPOROUS AND MESOPOROUS MATERIALS, 1999, 27 (2-3) : 181 - 192
  • [8] Ultrastable mesostructured silica vesicles
    Kim, SS
    Zhang, WZ
    Pinnavaia, TJ
    [J]. SCIENCE, 1998, 282 (5392) : 1302 - 1305
  • [9] Kloetstra KR, 1997, CHEM COMMUN, P2281
  • [10] ORDERED MESOPOROUS MOLECULAR-SIEVES SYNTHESIZED BY A LIQUID-CRYSTAL TEMPLATE MECHANISM
    KRESGE, CT
    LEONOWICZ, ME
    ROTH, WJ
    VARTULI, JC
    BECK, JS
    [J]. NATURE, 1992, 359 (6397) : 710 - 712