Journal
SCIENCE
Volume 359, Issue 6372, Pages 206-+Publisher
AMER ASSOC ADVANCEMENT SCIENCE
DOI: 10.1126/science.aao3403
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Funding
- National Natural Science Foundation of China [21606087, 21436005, 51621001, 21576095, 21606088]
- Fundamental Research Funds for the Central Universities [2017PY004, 2017MS069]
- Guangdong Natural Science Foundation [2014A030310445, 2016A050502004, 2017A030312005]
- Welch Foundation [AX-1730]
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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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