Aqueous Flow Reactor and Vapour-Assisted Synthesis of Aluminium Dicarboxylate Metal-Organic Frameworks with Tuneable Water Sorption Properties.
flow reactors
metal-organic frameworks
tuneable properties
vapour-assisted synthesis
water adsorption
Journal
Chemistry (Weinheim an der Bergstrasse, Germany)
ISSN: 1521-3765
Titre abrégé: Chemistry
Pays: Germany
ID NLM: 9513783
Informations de publication
Date de publication:
21 Aug 2020
21 Aug 2020
Historique:
received:
06
04
2020
revised:
28
05
2020
pubmed:
2
6
2020
medline:
2
6
2020
entrez:
2
6
2020
Statut:
ppublish
Résumé
Energy-efficient indoors temperature and humidity control can be realised by using the reversible adsorption and desorption of water in porous materials. Stable microporous aluminium-based metal-organic frameworks (MOFs) present promising water sorption properties for this goal. The development of synthesis routes that make use of available and affordable building blocks and avoid the use of organic solvents is crucial to advance this field. In this work, two scalable synthesis routes under mild reaction conditions were developed for aluminium-based MOFs: (1) in aqueous solutions using a continuous-flow reactor and (2) through the vapour-assisted conversion of solid precursors. Fumaric acid, its methylated analogue mesaconic acid, as well as mixtures of the two were used as linkers to obtain polymorph materials with tuneable water sorption properties. The synthesis conditions determine the crystal structure and either the MIL-53 or MIL-68 type structure with square-grid or kagome-grid topology, respectively, is formed. Fine-tuning resulted in new MOF materials thus far inaccessible through conventional synthesis routes. Furthermore, by varying the linker ratio, the water sorption properties can be continuously adjusted while retaining the sigmoidal isotherm shape advantageous for heat transformation and room climatisation applications.
Identifiants
pubmed: 32476184
doi: 10.1002/chem.202001661
pmc: PMC7496088
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
10841-10848Subventions
Organisme : Fonds Wetenschappelijk Onderzoek
ID : 1S53316N
Organisme : Fonds Wetenschappelijk Onderzoek
ID : 1S00917N
Organisme : Fonds Wetenschappelijk Onderzoek
ID : 12L5417N).
Organisme : Fonds Wetenschappelijk Onderzoek
ID : G083016N
Organisme : Fonds Wetenschappelijk Onderzoek
ID : 1501618N
Organisme : H2020 European Research Council
ID : 716472
Organisme : Deutsche Forschungsgemeinschaft
ID : STO 643/10-1
Organisme : Deutsche Forschungsgemeinschaft
ID : RE 4057/1-1
Organisme : Vetenskapsrådet
ID : MATsynCELL
Organisme : Bundesministerium für Bildung und Forschung
ID : MATsynCELL
Informations de copyright
© 2020 The Authors. Published by Wiley-VCH Verlag GmbH & Co. KGaA.
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