Issue 28, 2011
From the journal:

Chemical Communications

Reversible pressure-induced amorphization of a zeolitic imidazolate framework (ZIF-4)†

Thomas D. Bennett,a   Petra Simoncic,bc   Stephen A. Moggach,d   Fabia Gozzo,b   Piero Macchi,c   David A. Keen,e   Jin-Chong Tana  and  Anthony K. Cheetham*a  

* Corresponding authors

a Department of Materials Science and Metallurgy, University of Cambridge, UK,
E-mail: akc30@cam.ac.uk
Tel: +44 1223 767061

b Paul Scherrer Institute, Swiss Light Source, Villigen PSI5232, Switzerland

c Department of Chemistry and Biochemistry, University of Bern, Freiestrasse 3, Bern CH-3012, Switzerland

d School of Chemistry and Centre for Science at Extreme Conditions, University of Edinburgh, Kings Buildings, West Mains Road, Edinburgh, UK

e ISIS Facility, Rutherford Appleton Laboratory, Harwell Oxford, Didcot, UK,

Abstract

We report the reversible pressure-induced amorphization of a zeolitic imidazolate framework (ZIF-4, [Zn(Im)2]). This occurs irrespective of pore occupancy and takes place via a novel high pressure phase (ZIF-4-I) when solvent molecules are present in the pores. A significant reduction in bulk modulus upon framework evacuation is also observed for both ZIF-4 and ZIF-4-I.

Graphical abstract: Reversible pressure-induced amorphization of a zeolitic imidazolate framework (ZIF-4)

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Article information

DOI
https://doi.org/10.1039/C1CC11985K
Article type
Communication
Submitted
07 Apr 2011
Accepted
27 Mai 2011
First published
17 Jun 2011

Chem. Commun., 2011,47, 7983-7985

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Reversible pressure-induced amorphization of a zeolitic imidazolate framework (ZIF-4)

T. D. Bennett, P. Simoncic, S. A. Moggach, F. Gozzo, P. Macchi, D. A. Keen, J. Tan and A. K. Cheetham, Chem. Commun., 2011, 47, 7983 DOI: 10.1039/C1CC11985K

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