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Updated: Feb 3, 2026

Organic Structure-directing Agent-free Synthesis for *BEA-type Zeolite Membrane
Published on: February 22, 2020
Incorporation of Homochirality into a Zeolitic Imidazolate Framework Membrane for Efficient Chiral Separation
Jun Yong Chan1, Huacheng Zhang1, Yada Nolvachai2
1Department of Chemical Engineering, Monash University, Clayton, Victoria, 3800, Australia.
Abstract:
Homochiral metal-organic frameworks (MOFs) have gained much attention because of their chiral properties and disposition for chiral separation. However, the fabrication of high-quality homochiral MOF membranes remains challenging because of the difficulty in controlling growth of MOF membranes with chiral functionalities. A homochiral zeolitic imidazolate framework-8 (ZIF-8) membrane is reported for efficient chiral separation. The membrane is synthesized by incorporating a natural amino acid, l-histidine (l-His), into the framework of ZIF-8. The homochiral l-His-ZIF-8 membrane exhibits a good selectivity for the R-enantiomer of 1-phenylethanol over the S-enantiomer, showing a high enantiomeric excess value up to 76 %.
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