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Title: Switchable gate-opening effect in metal–organic polyhedra assemblies through solution processing
Authors: Craig, Gavin A.
Larpent, Patrick
Kusaka, Shinpei
Matsuda, Ryotaro
Kitagawa, Susumu  kyouindb  KAKEN_id  orcid (unconfirmed)
Furukawa, Shuhei  kyouindb  KAKEN_id  orcid (unconfirmed)
Author's alias: 日下, 心平
松田, 亮太郎
北川, 進
古川, 修平
Issue Date: 31-Aug-2018
Publisher: Royal Society of Chemistry (RSC)
Journal title: Chemical Science
Volume: 9
Issue: 31
Start page: 6463
End page: 6469
Abstract: Gate-opening gas sorption is known for metal–organic frameworks, and is associated with structural flexibility and advantageous properties for sensing and gas uptake. Here, we show that gate-opening is also possible for metal–organic polyhedra (MOPs), and depends on the molecular organisation in the lattice. Thanks to the solubility of MOPs, several interchangeable solvatomorphs of a lantern-type MOP were synthesised via treatment with different solvents. One phase obtained through use of methanol induced a gate-opening effect in the lattice in response to carbon dioxide uptake. The sorption process was thoroughly investigated with in situ powder X-ray diffraction and simultaneous adsorption experiments. Meanwhile, solution processing of this flexible phase using THF led to a permanently porous phase without a gate-opening effect. Furthermore, we find that we can change the metallic composition of the MOP, and yet retain flexibility. By showing that gate-opening can be switched on and off depending on the solvent of crystallisation, these findings have implications for the solution-based processing of MOPs.
Rights: This article is licensed under a Creative Commons Attribution 3.0 Unported Licence. Material from this article can be used in other publications provided that the correct acknowledgement is given with the reproduced material.
DOI(Published Version): 10.1039/C8SC02263A
PubMed ID: 30310576
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