Remarkably Enhanced Gas Separation by Partial Self‐Conversion of a Laminated Membrane to Metal–Organic Frameworks
- 21 January 2015
- journal article
- research article
- Published by Wiley in Angewandte Chemie International Edition
- Vol. 54 (10), 3028-3032
- https://doi.org/10.1002/anie.201411550
Abstract
Separation methods based on 2D interlayer galleries are currently gaining widespread attention. The potential of such galleries as high-performance gas-separation membranes is however still rarely explored. Besides, it is well recognized that gas permeance and separation factor are often inversely correlated in membrane-based gas separation. Therefore, breaking this trade-off becomes highly desirable. Here, the gas-separation performance of a 2D laminated membrane was improved by its partial self-conversion to metal–organic frameworks. A ZIF-8-ZnAl-NO3 layered double hydroxide (LDH) composite membrane was thus successfully prepared in one step by partial conversion of the ZnAl-NO3 LDH membrane, ultimately leading to a remarkably enhanced H2/CH4 separation factor and H2 permeance.Keywords
This publication has 67 references indexed in Scilit:
- Salt concentration, pH and pressure controlled separation of small molecules through lamellar graphene oxide membranesChemical Communications, 2013
- Organosilica‐Functionalized Zeolitic Imidazolate Framework ZIF‐90 Membrane with High Gas‐Separation PerformanceAngewandte Chemie International Edition, 2012
- Organosilica‐Functionalized Zeolitic Imidazolate Framework ZIF‐90 Membrane with High Gas‐Separation PerformanceAngewandte Chemie, 2012
- Heterogeneous Transparent Ultrathin Films with Tunable‐Color Luminescence Based on the Assembly of Photoactive Organic Molecules and Layered Double HydroxidesAdvanced Functional Materials, 2011
- H2 Separation Using Defect-Free, Inorganic Composite MembranesJournal of the American Chemical Society, 2011
- Molecular Sieve Membrane: Supported Metal–Organic Framework with High Hydrogen SelectivityAngewandte Chemie, 2010
- Molecular Sieve Membrane: Supported Metal–Organic Framework with High Hydrogen SelectivityAngewandte Chemie International Edition, 2010
- Selective Defect‐Patching of Zeolite Membranes Using Chemical Liquid Deposition at Organic/Aqueous InterfacesAdvanced Functional Materials, 2008
- Study on the Photochromism of Ni–Al Layered Double Hydroxides Containing Nitrate AnionsEuropean Journal of Inorganic Chemistry, 2006
- Microstructural Optimization of a Zeolite Membrane for Organic Vapor SeparationScience, 2003