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Chemistry. 2018 Feb 16;24(10):2384-2388. doi: 10.1002/chem.201704213. Epub 2018 Jan 17.

Characterization at the Level of Individual Crystals: Single-Crystal MFI Type Zeolite Grains.

Author information

1
Paul Scherrer Institut, 5232, Villigen PSI, Switzerland.
2
ETH Zurich, Inst. f. Chemie- u. Bioing.wiss., Vladimir-Prelog-Weg 1-5/10, 8093, Zurich, Switzerland.

Abstract

Electron-diffraction data on the zeolites Silicalite-1 and ZSM-5 (both MFI framework type) were collected from individual grains of about 150×100×50 nm3 . Crystals were synthesized with tetrapropylammonium as structure-directing agent. The resolution extended to about 0.8 Å for Silicalite-1 and about 0.9-1.0 Å for ZSM-5 crystals. Analysis of several data sets showed that at the nanometre-scale, these zeolite crystals are single crystals and not intergrown.

KEYWORDS:

X-ray diffraction; electron diffraction; structure-performance relationship; zeolites

PMID:
29193398
DOI:
10.1002/chem.201704213

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