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Issue 13, 2021
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Guest size limitation in metal–organic framework crystal–glass composites

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Abstract

Metal–organic framework crystal–glass composites (MOF CGCs) have previously been formed by embedding crystalline MIL-53(Al) within a ZIF-62 glass (agZIF-62) matrix. Here we highlight thermal stability considerations in the formation of MOF CGCs, and subsequently report the synthesis of two novel MOF CGCs, by incorporating MIL-118 and UL-MOF-1 within agZIF-62. These new materials, alongside the prototypical MOF CGC, formed using MIL-53(Al), were studied using scanning electron microscopy, powder X-ray diffraction, and gas sorption techniques. The gas uptake in composites formed from MIL-118C and UL-MOF-1 is largely dominated by the agZIF-62 matrix, suggesting that to improve the porosity of the MOF CGC, the matrix porosity must be improved, or a percolation threshold must be overcome.

Graphical abstract: Guest size limitation in metal–organic framework crystal–glass composites

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Supplementary files

Article information


Submitted
17 Nov 2020
Accepted
28 Feb 2021
First published
01 Mar 2021

This article is Open Access

J. Mater. Chem. A, 2021,9, 8386-8393
Article type
Paper

Guest size limitation in metal–organic framework crystal–glass composites

C. W. Ashling, L. K. Macreadie, T. J. F. Southern, Y. Zhang, L. N. McHugh, R. C. Evans, S. Kaskel, S. G. Telfer and T. D. Bennett, J. Mater. Chem. A, 2021, 9, 8386
DOI: 10.1039/D0TA11229A

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