Atomic Resolution Analysis of Silver Ion-Exchanged Zeolite A

被引:74
作者
Mayoral, Alvaro [1 ,3 ]
Carey, Thomas [2 ]
Anderson, Paul A. [2 ]
Lubk, Axel [3 ,4 ]
Diaz, Isabel [5 ]
机构
[1] Univ Zaragoza, Lab Microscopias Avanzadas LMA, Inst Nanociencia Aragon INA, Zaragoza 50018, Spain
[2] Univ Birmingham, Sch Chem, Birmingham B15 2TT, W Midlands, England
[3] Elect Microscopy TALEM, Transpyrenean Assoc Lab, Zaragoza, Spain
[4] CEMES CNRS, Grp NanoMat, Toulouse, France
[5] CSIC, Inst Catalisis & Petr Quim, Madrid, Spain
关键词
catalysts; electron microscopy; mesoporous materials; nanomaterials; zeolites; CLUSTERS; METHANOL; METAL; MFI; TEM;
D O I
10.1002/anie.201105450
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
The three-dimensional structure of Ag ion-exchanged zeolite A was studied by XRD and scanning transmission electron microscopy. Despite the difficulties in the microscopic investigation of zeolites with high Al content, the arrangement of isolated Ag ions and Ag clusters of six atoms was visualized (see picture). Copyright © 2011 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
引用
收藏
页码:11230 / 11233
页数:4
相关论文
共 26 条
[1]  
[Anonymous], MOL SIEVES
[2]   Sub-angstrom resolution using aberration corrected electron optics [J].
Batson, PE ;
Dellby, N ;
Krivanek, OL .
NATURE, 2002, 418 (6898) :617-620
[3]   STABILITY OF ZEOLITES UNDER ELECTRON-IRRADIATION AND IMAGING OF HEAVY CATIONS IN SILICATES [J].
BURSILL, LA ;
THOMAS, JM ;
RAO, KJ .
NATURE, 1981, 289 (5794) :157-158
[4]   ZEOLITIC STRUCTURES AS REVEALED BY HIGH-RESOLUTION ELECTRON-MICROSCOPY [J].
BURSILL, LA ;
LODGE, EA ;
THOMAS, JM .
NATURE, 1980, 286 (5769) :111-113
[5]   Stable single-unit-cell nanosheets of zeolite MFI as active and long-lived catalysts [J].
Choi, Minkee ;
Na, Kyungsu ;
Kim, Jeongnam ;
Sakamoto, Yasuhiro ;
Terasaki, Osamu ;
Ryoo, Ryong .
NATURE, 2009, 461 (7261) :246-U120
[6]   From microporous to mesoporous molecular sieve materials and their use in catalysis [J].
Corma, A .
CHEMICAL REVIEWS, 1997, 97 (06) :2373-2419
[7]   DAMAGE OF ZEOLITE-Y IN THE TEM AND ITS EFFECTS ON TEM IMAGES [J].
CSENCSITS, R ;
GRONSKY, R .
ULTRAMICROSCOPY, 1987, 23 (3-4) :421-431
[8]   Surface structure of zeolite (MFI) crystals [J].
Díaz, I ;
Kokkoli, E ;
Terasaki, O ;
Tsapatsis, M .
CHEMISTRY OF MATERIALS, 2004, 16 (25) :5226-5232
[9]   TEM studies of zeolites and ordered mesoporous materials [J].
Diaz, Isabel ;
Mayoral, Alvaro .
MICRON, 2011, 42 (05) :512-527
[10]   Radiation damage in the TEM and SEM [J].
Egerton, RF ;
Li, P ;
Malac, M .
MICRON, 2004, 35 (06) :399-409