Liquid metal–organic frameworks


Type
Article
Change log
Authors
Gaillac, R 
Pullumbi, P 
Beyer, KA 
Chapman, K 
Keen, DA 
Abstract

Metal–organic frameworks are a family of chemically diverse materials, with applications in a wide range of fields covering engineering, physics, chemistry, biology and medicine. Until recently research has focused almost entirely on crystalline structures, yet now a clear trend is emerging shifting the emphasis onto disordered states including “defective by design” crystals, as well as amorphous phases such as glasses and gels. Here we introduce a strongly associated MOF liquid, obtained by melting a zeolitic imidazolate framework (ZIF). We combine in-situ variable temperature X-ray, ex-situ neutron pair distribution function experiments, and first principles molecular dynamics simulations to study the melting phenomenon and the nature of the liquid obtained. We demonstrate from structural, dynamical, and thermodynamical information that the chemical configuration, coordinative bonding, and porosity of the parent crystalline framework survive upon formation of the MOF liquid.

Description
Keywords
0303 Macromolecular and Materials Chemistry
Journal Title
Nature Materials
Conference Name
Journal ISSN
1476-1122
1476-4660
Volume Title
16
Publisher
Springer Nature
Sponsorship
Royal Society (UF150021)
This work benefitted from the financial support of ANRT (thèse CIFRE 2015/0268). We acknowledge access to HPC platforms provided by a GENCI grant (A0010807069). TDB would like to thank the Royal Society for a University Research Fellowship.