Ordered macro-microporous metal-organic framework single crystals

We constructed highly oriented and ordered macropores within metal-organic framework (MOF) single crystals, opening up the area of three-dimensional-ordered macro-microporous materials (that is, materials containing both macro- and micropores) in single-crystalline form. Our methodology relies on th...

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Published inScience (American Association for the Advancement of Science) Vol. 359; no. 6372; pp. 206 - 210
Main Authors Shen, Kui, Zhang, Lei, Chen, Xiaodong, Liu, Lingmei, Zhang, Daliang, Han, Yu, Chen, Junying, Long, Jilan, Luque, Rafael, Li, Yingwei, Chen, Banglin
Format Journal Article
LanguageEnglish
Published United States The American Association for the Advancement of Science 12.01.2018
Subjects
Catalysis
Catalytic activity
Crystal structure
Crystallinity
Crystals
EGR-1 protein
Metal-organic frameworks
Metals
Microcrystals
Nanospheres
Polystyrene
Polystyrene resins
Porous materials
Recyclability
Single crystals
Zinc
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Summary:We constructed highly oriented and ordered macropores within metal-organic framework (MOF) single crystals, opening up the area of three-dimensional-ordered macro-microporous materials (that is, materials containing both macro- and micropores) in single-crystalline form. Our methodology relies on the strong shaping effects of a polystyrene nanosphere monolith template and a double-solvent-induced heterogeneous nucleation approach. This process synergistically enabled the in situ growth of MOFs within ordered voids, rendering a single crystal with oriented and ordered macro-microporous structure. The improved mass diffusion properties of such hierarchical frameworks, together with their robust single-crystalline nature, endow them with superior catalytic activity and recyclability for bulky-molecule reactions, as compared with conventional, polycrystalline hollow, and disordered macroporous ZIF-8.
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ISSN:0036-8075
1095-9203
DOI:10.1126/science.aao3403