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Electron Microscopy Reveals the Nucleation Mechanism of Zeolite Y from Precursor Colloids
1Department of Chemistry, Purdue University, West Lafayette, IN 47907 (USA), New Address: Institut für Physikalische Chemie der Universität, D-81377 München (Germany).
Angewandte Chemie (International Ed. in English)
|November 11, 1999
Abstract:
The growth of nanoscale crystals of zeolite Y from colloidal aluminosilicate gel particles has been investigated with high-resolution electron microscopy. Each amorphous gel particle nucleates only a single zeolite crystal, with nucleation beginning at the gel-solution interface (see scheme). Further growth of these nanocrystals is possible through the solution-mediated transport of framework building blocks.