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Issue 17, 2015
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Defect-dependent colossal negative thermal expansion in UiO-66(Hf) metal–organic framework

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Abstract

Thermally-densified hafnium terephthalate UiO-66(Hf) is shown to exhibit the strongest isotropic negative thermal expansion (NTE) effect yet reported for a metal–organic framework (MOF). Incorporation of correlated vacancy defects within the framework affects both the extent of thermal densification and the magnitude of NTE observed in the densified product. We thus demonstrate that defect inclusion can be used to tune systematically the physical behaviour of a MOF.

Graphical abstract: Defect-dependent colossal negative thermal expansion in UiO-66(Hf) metal–organic framework

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Supplementary files

Article information


Submitted
05 Mar 2015
Accepted
31 Mar 2015
First published
02 Apr 2015

Phys. Chem. Chem. Phys., 2015,17, 11586-11592
Article type
Paper
Author version available

Defect-dependent colossal negative thermal expansion in UiO-66(Hf) metal–organic framework

M. J. Cliffe, J. A. Hill, C. A. Murray, F. Coudert and A. L. Goodwin, Phys. Chem. Chem. Phys., 2015, 17, 11586
DOI: 10.1039/C5CP01307K

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