Experimental and theoretical insight into the effect of fluorine substituents on the properties of azine linked covalent organic frameworks

Herein we report a combined experimental and computational study on the effect of fluorine atom incorporation on the materials properties of azine-linked COFs. We found that increasing the ratio of fluorinated to non-fluorinated monomers led to substantial improvements in both crystallinity and poro...

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Published inCrystEngComm Vol. 19; no. 33; pp. 4882 - 4885
Main Authors Alahakoon, Sampath B., Occhialini, Gino, McCandless, Gregory T., Karunathilake, Arosha A. K., Nielsen, Steven O., Smaldone, Ronald A.
Format Journal Article
LanguageEnglish
Published 2017
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Summary:Herein we report a combined experimental and computational study on the effect of fluorine atom incorporation on the materials properties of azine-linked COFs. We found that increasing the ratio of fluorinated to non-fluorinated monomers led to substantial improvements in both crystallinity and porosity. Computational models suggest that this improvement might be explained by a substantial energetic stabilization in the face-to-face stacking interaction of the fluorinated COF monomers.
ISSN:1466-8033
1466-8033
DOI:10.1039/C7CE00598A