A metamorphic inorganic framework that can be switched between eight single-crystalline states

Zhan, C. et al. (2017) A metamorphic inorganic framework that can be switched between eight single-crystalline states. Nature Communications, 8, 14185. (doi: 10.1038/ncomms14185) (PMID:28194009) (PMCID:PMC5316803)

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Abstract

The design of highly flexible framework materials requires organic linkers, whereas inorganic materials are more robust but inflexible. Here, by using linkable inorganic rings made up of tungsten oxide (P8W48O184) building blocks, we synthesized an inorganic single crystal material that can undergo at least eight different crystal-to-crystal transformations, with gigantic crystal volume contraction and expansion changes ranging from −2,170 to +1,720 Å3 with no reduction in crystallinity. Not only does this material undergo the largest single crystal-to-single crystal volume transformation thus far reported (to the best of our knowledge), the system also shows conformational flexibility while maintaining robustness over several cycles in the reversible uptake and release of guest molecules switching the crystal between different metamorphic states. This material combines the robustness of inorganic materials with the flexibility of organic frameworks, thereby challenging the notion that flexible materials with robustness are mutually exclusive.

Item Type:Articles
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Vila-Nadal, Dr Laia and MacDonell, Mr Andrew and Glatzel, Dr Stefan and Winter, Mr Ross and Cameron, Mr Jamie and Long, Dr Deliang and Zhan, Miss Caihong and Cronin, Professor Lee and Gregory, Professor Duncan
Authors: Zhan, C., Cameron, J. M., Gabb, D., Boyd, T., Winter, R. S., Vilà-Nadal, L., Mitchell, S. G., Glatzel, S., Breternitz, J., Gregory, D. H., Long, D.-L., MacDonell, A., and Cronin, L.
College/School:College of Science and Engineering > School of Chemistry
Journal Name:Nature Communications
Publisher:Nature Publishing Group
ISSN:2041-1723
Copyright Holders:Copyright © 2017 The Authors
First Published:First published in Nature Communications 8:14185
Publisher Policy:Reproduced under a Creative Commons License

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Project CodeAward NoProject NamePrincipal InvestigatorFunder's NameFunder RefLead Dept
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577391Programmable Molecular Metal Oxides (PMMOs) - From Fundamentals to ApplicationLeroy CroninEngineering & Physical Sciences Research Council (EPSRC)EP/J015156/1CHEM - CHEMISTRY