Steam-stable zeolitic imidazolate framework ZIF-90 membrane with hydrogen selectivity through covalent functionalization.
作者： Aisheng Huang , Wei Dou , Jürgen Caro
DOI: 10.1021/JA108774V
关键词: Inorganic chemistry 、 Hydrogen 、 Zeolitic imidazolate framework 、 Linker 、 Membrane 、 Dynamic covalent chemistry 、 Covalent bond 、 Condensation 、 Chemistry 、 Molecular sieve 、 Chemical engineering
摘要: A novel covalent functionalization strategy was developed to prepare reproducible ZIF-90 molecular sieve membranes by using 3-aminopropyltriethoxysilane as a covalent linker between the ZIF-90 layer and Al2O3 support via imines condensation. The ZIF-90 membranes show high thermal and hydrothermal stabilities, and they allow the separation of hydrogen from larger gases by molecular sieving.
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