Controlled synthesis of large single crystals of metal-organic framework CPO-27-Ni prepared by a modulation approach : in situ single crystal X-ray diffraction studies
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The size of single crystals of the metal‐organic framework CPO‐27‐Ni was incrementally increased through a series of modulated syntheses. A novel linker modulated synthesis using 2,5‐dihydroxyterephthalic acid and the isomeric ligand 4,6‐dihydroxyisophthalic acid yielded large single crystals of CPO‐27‐Ni (∼70 μm). All materials were shown to have high crystallinity and phase purity through powder X‐ray diffraction, electron microscopy methods, thermogravimetry, and compositional analysis. For the first time single‐crystal structure analyses were carried out on CPO‐27‐Ni. High BET surface areas and nitric oxide (NO) release efficiencies were recorded for all materials. Large single crystals of CPO‐27‐Ni showed a prolonged NO release and proved suitable for in situ single‐crystal diffraction experiments to follow the NO adsorption. An efficient activation protocol was developed, leading to a dehydrated structure after just 4 h, which subsequently was NO‐loaded, leading to a first NO loaded single‐crystal structural model of CPO‐27‐Ni.
Vornholt , S M , Elliott , C , Rice , C M , Russell , S E , Kerr , P J , Rainer , D N , Mazur , M , Warren , M R , Wheatley , P S & Morris , R E 2021 , ' Controlled synthesis of large single crystals of metal-organic framework CPO-27-Ni prepared by a modulation approach : in situ single crystal X-ray diffraction studies ' , Chemistry - A European Journal , vol. 27 , no. 33 , pp. 8537-8546 . https://doi.org/10.1002/chem.202100528
Chemistry - A European Journal
Copyright © 2021 The Authors. Chemistry - A European Journal published by Wiley-VCH GmbH. This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.
DescriptionThe authors would like to thank EPSRC Capital for Great Technologies grant (EP/L017008/1) for supporting electron microscopy facilities at the University of St Andrews. S.M.V. and S.E.R. acknowledge the European Research Council for funding opportunities under grant agreement no. 787073. The authors C.M.R., D.N.R., C.G.E., and S.M.V. would like to thank the EPSRC for funding opportunities (C.M.R. & D.N.R. - EP/N509759/1; C.G.E. - EP/L016419, S.M.V. - EP/K005499/1). M.M. and R.E.M. would like to thank the OP VVV "Excellent Research Teams", project no. CZ.02.1.01/0.0/0.0/15_003/0000417-CUCAM.
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