Porous organic molecular solids by dynamic covalent scrambling

Shan Jiang, James T. A. Jones, Tom Hasell, Charlotte E. Blythe, Dave J. Adams, Abbie Trewin and Andrew I. Cooper ()
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Shan Jiang: Department of Chemistry and Centre for Materials Discovery
James T. A. Jones: Department of Chemistry and Centre for Materials Discovery
Tom Hasell: Department of Chemistry and Centre for Materials Discovery
Charlotte E. Blythe: Department of Chemistry and Centre for Materials Discovery
Dave J. Adams: Department of Chemistry and Centre for Materials Discovery
Abbie Trewin: Department of Chemistry and Centre for Materials Discovery
Andrew I. Cooper: Department of Chemistry and Centre for Materials Discovery

Nature Communications, 2011, vol. 2, issue 1, 1-7

Abstract: Abstract The main strategy for constructing porous solids from discrete organic molecules is crystal engineering, which involves forming regular crystalline arrays. Here, we present a chemical approach for desymmetrizing organic cages by dynamic covalent scrambling reactions. This leads to molecules with a distribution of shapes which cannot pack effectively and, hence, do not crystallize, creating porosity in the amorphous solid. The porous properties can be fine tuned by varying the ratio of reagents in the scrambling reaction, and this allows the preparation of materials with high gas selectivities. The molecular engineering of porous amorphous solids complements crystal engineering strategies and may have advantages in some applications, for example, in the compatibilization of functionalities that do not readily cocrystallize.

Date: 2011
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Persistent link: https://EconPapers.repec.org/RePEc:nat:natcom:v:2:y:2011:i:1:d:10.1038_ncomms1207

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DOI: 10.1038/ncomms1207

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