A new route to porous metal–organic framework crystal–glass composites†
Shichun
Li, 
ab
Sean M.
Collins,
bd
Duncan N.
Johnstone,
b
Christopher W.
Ashling,
b
Adam F.
Sapnik,
b
Philip A.
Chater,
e
Dean S.
Keeble,
e
Lauren N.
McHugh,
b
David. A.
Keen
f
and
Thomas D.
Bennett
*b
ab
Sean M.
Collins,
bd
Duncan N.
Johnstone,
b
Christopher W.
Ashling,
b
Adam F.
Sapnik,
b
Philip A.
Chater,
e
Dean S.
Keeble,
e
Lauren N.
McHugh,
b
David. A.
Keen
f
and
Thomas D.
Bennett
*b
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.
- This article is part of the themed collection: Celebrating the Chemical Sciences in India - Leaders in the Field Symposium 2020
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