A structural resolution cryo-TEM study of the early stages of MFI growth

Sandeep Kumar; Zhuopeng Wang; R Lee Penn; Michael Tsapatsis

doi:10.1021/ja8063167

A structural resolution cryo-TEM study of the early stages of MFI growth

J Am Chem Soc. 2008 Dec 24;130(51):17284-6. doi: 10.1021/ja8063167.

Authors

Sandeep Kumar¹, Zhuopeng Wang, R Lee Penn, Michael Tsapatsis

Affiliation

¹ University of Minnesota, Department of Chemical Engineering and Materials Science, 151 Amundson Hall, 421 Washington Avenue SE, Minneapolis, Minnesota 55455, USA.

PMID: 19049299
DOI: 10.1021/ja8063167

Abstract

Room-temperature aging of zeolite precursor silica sol was followed by SAXS and cryo-TEM. Cryo-TEM imaging of zeolite materials with structural resolution is demonstrated. The results suggest the formation of predominantly amorphous aggregates before MFI crystallization.