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Three‐Dimensional Electron Microscopy of Mesoporous Materials—Recent Strides Towards Spatial Imaging at the Nanometer Scale
Author(s) -
de Jong Krijn P.,
Koster Abraham J.
Publication year - 2002
Publication title -
chemphyschem
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.016
H-Index - 140
eISSN - 1439-7641
pISSN - 1439-4235
DOI - 10.1002/1439-7641(20020916)3:9<776::aid-cphc776>3.0.co;2-e
Subject(s) - nanometre , nanotechnology , materials science , nanoscopic scale , microscopy , mesoporous material , electron microscope , scale (ratio) , electron tomography , transmission electron microscopy , chemistry , scanning transmission electron microscopy , physics , optics , composite material , biochemistry , catalysis , quantum mechanics
How pore‐poor is that crystal? The physical arrangement of mesoporous materials, vital for catalysis and chemical separation, can be quantified statistically by BET methods, but the specific details demand specific imaging. Newer methods, such as electron holography, tomography and crystallography, can reconstruct the actual three‐dimensional shape of these solids, as shown for an example SBA‐6 material, through the combined efforts of researchers in Japan, Korea and the USA.

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