A new route to porous metal–organic framework crystal–glass composites

DOI: 10.1039/D0SC04008H

Authors: Shichun Li (Institute of Chemical Materials, China Academy of Engineering Physics; University of Cambridge) , Shuwen Yu (Institute of Chemical Materials, China Academy of Engineering Physics; Haixi Institute, Chinese Academy of Sciences) , Sean M. Collins (University of Cambridge; University of Leeds) , Duncan N. Johnstone (University of Cambridge) , Christopher W. Ashling (University of Cambridge) , Adam F. Sapnik (University of Cambridge) , Philip A. Chater (Diamond Light Source) , Dean S. Keeble (Diamond Light Source) , Lauren N. Mchugh (University of Cambridge) , Paul A. Midgley (University of Cambridge) , David A. Keen (ISIS Facility) , Thomas D. Bennett (University of Cambridge)
Co-authored by industrial partner: No

Type: Journal Paper
Journal: Chemical Science , VOL 11 , PAGES 9910 - 9918

State: Published (Approved)
Published: September 2020
Diamond Proposal Number(s): 20038 , 22632 , 21979

Abstract: Metal–organic framework crystal–glass composite (MOF CGC) materials consist of a crystalline MOF embedded within a MOF–glass matrix. In this work, a new synthetic route to these materials is demonstrated through the preparation of two ZIF-62 glass-based CGCs, one with crystalline ZIF-67 and the other with crystalline UiO-66. Previous attempts to form these CGCs failed due to the high processing temperatures involved in heating above the melting point of ZIF-62. Annealing of the ZIF-62 glass above the glass transition with each MOF however leads to stable CGC formation at lower temperatures. The reduction in processing temperatures will enable the formation of a greatly expanded range of MOF CGCs.

Subject Areas: Materials, Chemistry

Diamond Offline Facilities: Electron Physical Sciences Imaging Centre (ePSIC)
Instruments: E02-JEM ARM 300CF , I15-1-X-ray Pair Distribution Function (XPDF)

Documents:
d0sc04008h.pdf