Guest-selective shape-memory effect in a switchable metal-organic framework DUT-8(Zn)
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Contributors
Abstract
Crystal size engineering allows tailoring of flexible metal-organic frameworks (MOFs) to achieve new properties. The gating type flexibility of the DUT-8(Zn) ([Zn2(2,6-ndc)2(dabco)]n, 2,6-ndc = 2,6-naphthalene dicarboxylate, dabco = 1,4-diazabicyclo-[2.2.2]-octane) compound is known to be extremely particle size sensitive. Here, the physisorption of ethanol vapor gives rise to so-called shape-memory effect, leading to rigidification and flexibility suppression. According to powder X-ray diffraction and nitrogen physisorption experiments, the open pore phase is retained selectively after desorption of alcohols, which could be attributed to the nano-structuring and surface deformation of the crystals as a result of exposure to alcohols.
Details
Original language | English |
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Pages (from-to) | 7745-7748 |
Number of pages | 4 |
Journal | Chemical communications |
Volume | 60 |
Issue number | 60 |
Publication status | Published - 27 Jun 2024 |
Peer-reviewed | Yes |
External IDs
PubMed | 38973568 |
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