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Issue 12, 2019
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Uniform and directional growth of centimeter-sized single crystals of cyclodextrin-based metal organic frameworks

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Abstract

Although macroscopically-sized MOF crystals have proven of interest for efficient chromatographic separations, information processing, or optoelectronic devices, growing really large crystals has proven problematic and the largest reported monocrystals are only ca. 0.025 cm3 in volume. Here, we report a sequential vapour-diffusion/reseeding procedure that yields monocrystals of γ-cyclodextrin (γ-CD) MOFs with volumes reaching 1 cm3. With such large monoliths at hand, it is possible to physically block their certain faces and thus guide further growth only in desired directions, ultimately producing crystals of low-symmetry shapes and – upon “doping” with different additives at different stages of growth – with spatially varying compositions.

Graphical abstract: Uniform and directional growth of centimeter-sized single crystals of cyclodextrin-based metal organic frameworks

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Article information


Submitted
05 Jan 2019
Accepted
19 Feb 2019
First published
19 Feb 2019

CrystEngComm, 2019,21, 1867-1871
Article type
Communication

Uniform and directional growth of centimeter-sized single crystals of cyclodextrin-based metal organic frameworks

N. Kim, J. H. Park, J. Paczesny and B. A. Grzybowski, CrystEngComm, 2019, 21, 1867
DOI: 10.1039/C9CE00026G

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