Guest size limitation in metal-organic framework crystal-glass composites
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Date
2021-03-01
Open Access Location
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Publisher
Royal Society of Chemistry
Rights
CC BY 3.0
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 withinagZIF-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 theagZIF-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.
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Citation
Ashling CW, Macreadie LK, Southern TJF, Zhang Y, McHugh LN, Evans RC, Kaskel S, Telfer SG, Bennett TD. (2021). Guest size limitation in metal-organic framework crystal-glass composites. Journal of Materials Chemistry A. 9. 13. (pp. 8386-8393).