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Issue 33, 2018
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The photothermal effect in MOFs: covalent post-synthetic modification of MOFs mediated by UV-Vis light under solvent-free conditions

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Abstract

Here, we report the covalent post-synthetic modification (CPSM) of MOFs using the photothermal effect. Specifically, we subjected mixtures of a photothermally active MOF and another reagent to irradiation with a UV-Vis lamp. This caused the MOF to heat up, which in turn caused the other reagent to melt and subsequently react with the functional groups on the walls of the MOF pores. We have exploited this dual function of MOFs as both heater and host for CPSMs to achieve rapid formation of amides from the reaction of representative MOFs (UiO-66-NH2 or MIL-101-NH2-(Al)) with anhydrides under solvent-free conditions. In addition, this approach enables more complex CPSMs in MOFs such as the formation of amides in UiO-66-NH2 by using an aldehyde through a cascade reaction.

Graphical abstract: The photothermal effect in MOFs: covalent post-synthetic modification of MOFs mediated by UV-Vis light under solvent-free conditions

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Supplementary files

Article information


Submitted
26 Feb 2018
Accepted
29 Mar 2018
First published
03 Apr 2018

Chem. Commun., 2018,54, 4184-4187
Article type
Communication

The photothermal effect in MOFs: covalent post-synthetic modification of MOFs mediated by UV-Vis light under solvent-free conditions

J. Espín, L. Garzón-Tovar, G. Boix, I. Imaz and D. Maspoch, Chem. Commun., 2018, 54, 4184
DOI: 10.1039/C8CC01593G

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