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