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Bovin JO, Alfredsson V, Karlsson G, et al. TEM-tomography of FAU-zeolite crystals containing Pt-clusters. Ultramicroscopy. 1996;62(4):277-81doi: 10.1016/0304-3991(96)00002-2.
Bovin, J. O., Alfredsson, V., Karlsson, G., Carlsson, A., Blum, Z., & Terasaki, O. (1996). TEM-tomography of FAU-zeolite crystals containing Pt-clusters. Ultramicroscopy, 62(4), 277-81. https://doi.org/10.1016/0304-3991(96)00002-2
Bovin, J O, et al. "TEM-tomography of FAU-zeolite crystals containing Pt-clusters." Ultramicroscopy vol. 62,4 (1996): 277-81. doi: https://doi.org/10.1016/0304-3991(96)00002-2
Bovin JO, Alfredsson V, Karlsson G, Carlsson A, Blum Z, Terasaki O. TEM-tomography of FAU-zeolite crystals containing Pt-clusters. Ultramicroscopy. 1996 Mar;62(4):277-81. doi: 10.1016/0304-3991(96)00002-2. PMID: 22666910.
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Ultramicroscopy. 1996 Mar;62(4):277-81. doi: 10.1016/0304-3991(96)00002-2.

TEM-tomography of FAU-zeolite crystals containing Pt-clusters.

Ultramicroscopy

J O Bovin, V Alfredsson, G Karlsson, A Carlsson, Z Blum, O Terasaki

Affiliations

  1. National Center for HREM, Inorganic Chemistry 2, Chemical Center, Lund University, P.O. Box 124, S-221 00 Lund, Sweden.

PMID: 22666910 DOI: 10.1016/0304-3991(96)00002-2

Abstract

A method for preparing ultrathin sections (- 20 nm) of inorganic solids has been developed using ultramicrotomy of resin-embedded crystal fragments. Undamaged crystals, oriented along a crystallographic direction, could be imaged with transmission electron microscopy (TEM) at a resolution better than 0.5 nm. The true internal structure of the crystals could be investigated by imaging the second in a series of at least three consecutive ultrathin sections. Such TEM-tomography proved that Pt-ion exchanged FAU zeolite crystals, after reduction and oxidation, are occupied internally and randomly of large platinum clusters mainly in the {111-twin planes. TEM-tomography could be useful in man made nanostructures like semiconductors, epitaxial thin films, hard metal coatings, ceramics, catalysts, and biomaterials.

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