Issue 5, 2023

Solvent-free synthesis of a new perfluorinated MIL-53(Al) with a temperature-induced breathing effect

Abstract

We report on the solvent-free synthesis of the perfluorinated analogue of the well-known breathing metal–organic framework MIL-53(Al), i.e., F4-MIL-53(Al), featuring tetrafluoroterephthalic acid as linker. The crystal structure was solved and refined from powder X-ray diffraction data and confirmed to be isoreticular with MIL-53(Al). As already reported for the MIL-53(Al) analogue, F4-MIL-53(Al) displays a peculiar breathing effect solely induced by the temperature; however, in the latter case the transition occurs with almost no hysteresis and fast kinetics. This unique behavior is reported here for the first time and experimentally demonstrated using differential scanning calorimetry and variable temperature X-ray diffraction.

Graphical abstract: Solvent-free synthesis of a new perfluorinated MIL-53(Al) with a temperature-induced breathing effect

Supplementary files

Article information

Article type
Communication
Submitted
28 Dec 2022
Accepted
05 Apr 2023
First published
05 Apr 2023
This article is Open Access
Creative Commons BY-NC license

Mol. Syst. Des. Eng., 2023,8, 586-590

Solvent-free synthesis of a new perfluorinated MIL-53(Al) with a temperature-induced breathing effect

D. Morelli Venturi, V. Guiotto, R. D'Amato, L. Calucci, M. Signorile, M. Taddei, V. Crocellà and F. Costantino, Mol. Syst. Des. Eng., 2023, 8, 586 DOI: 10.1039/D2ME00280A

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