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Updated: Mar 14, 2026

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Electrophoretic Crystallization of Ultrathin High-performance Metal-organic Framework Membranes
Published on: August 16, 2018
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Zinc-substituted ZIF-67 nanocrystals and polycrystalline membranes for propylene/propane separation
Chongqing Wang1, Fan Yang1, Luqian Sheng1
1State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemistry and Chemical Engineering, Nanjing Tech University, Nanjing 210009, P. R. China. panyc@njtech.edu.cn.
Abstract:
Continuous ZIF-67 polycrystalline membranes with effective propylene/propane separation performances were successfully fabricated through the incorporation of zinc ions into the ZIF-67 framework. The separation factor increases from 1.4 for the pure ZIF-67 membrane to 50.5 for the 90% zinc-substituted ZIF-67 membrane.

