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In situ single-crystal synchrotron X-ray diffraction studies of biologically active gases in metal-organic frameworks

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Date
01/03/2023
Author
Main, Russell M.
Vornholt, Simon M.
Rice, Cameron M.
Elliott, Caroline
Russell, Samantha E.
Kerr, Peter
Warren, Mark R.
Morris, Russell E.
Funder
European Research Council
EPSRC
Grant ID
787073
EP/L016419/1
Keywords
Metal-organic framework
MOF-74
CPO-27
Modulation chemistry
NO
CO
scXRD
Gas adsorption
Single crystal transformation
QD Chemistry
DAS
MCC
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Abstract
Metal-organic frameworks (MOFs) are well known for their ability to adsorb various gases. The use of MOFs for the storage and release of biologically active gases, particularly nitric oxide (NO) and carbon monoxide (CO), has been a subject of interest. To elucidate the binding mechanisms and geometry of these gases, an in situ single crystal X-ray diffraction (scXRD) study using synchrotron radiation at Diamond Light Source has been performed on a set of MOFs that display promising gas adsorption properties. NO and CO, were introduced into activated Ni-CPO-27 and the related Co-4,6-dihydroxyisophthalate (Co-4,6-dhip). Both MOFs show strong binding affinity towards CO and NO, however CO suffers more from competitive co-adsorption of water. Additionally, we show that morphology can play an important role in the ease of dehydration for these two systems.
Citation
Main , R M , Vornholt , S M , Rice , C M , Elliott , C , Russell , S E , Kerr , P , Warren , M R & Morris , R E 2023 , ' In situ single-crystal synchrotron X-ray diffraction studies of biologically active gases in metal-organic frameworks ' , Communications Chemistry , vol. 6 , 44 . https://doi.org/10.1038/s42004-023-00845-1
Publication
Communications Chemistry
Status
Peer reviewed
DOI
https://doi.org/10.1038/s42004-023-00845-1
ISSN
2399-3669
Type
Journal article
Rights
Copyright © The Author(s) 2023. Open Access. This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.
Description
Funding: The authors are also grateful for financial assistance from the ERC under advanced grant 787073, the EPSRC for a studentship (EP/N509759/1) and the CRITICAT Centre for Doctoral Training (EP/L016419/1).
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  • University of St Andrews Research
URI
http://hdl.handle.net/10023/27127

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