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Solvent Impact on the Properties of Benchmark Metal-Organic Frameworks : Acetonitrile-Based Synthesis of CAU-10, Ce-UiO-66, and Al-MIL-53

Title data

Leubner, Sebastian ; Stäglich, Robert ; Franke, Julia ; Jacobsen, Jannick ; Gosch, Jonas ; Siegel, Renée ; Reinsch, Helge ; Maurin, Guillaume ; Senker, Jürgen ; Yot, Pascal G. ; Stock, Norbert:
Solvent Impact on the Properties of Benchmark Metal-Organic Frameworks : Acetonitrile-Based Synthesis of CAU-10, Ce-UiO-66, and Al-MIL-53.
In: Chemistry : a European Journal. Vol. 26 (March 2020) Issue 17 . - pp. 3877-3883.
ISSN 1521-3765
DOI: https://doi.org/10.1002/chem.201905376

Abstract in another language

Herein is reported the utilization of acetonitrile as a new solvent for the synthesis of the three significantly different benchmark metal-organic frameworks (MOFs) CAU-10, Ce-UiO-66, and Al-MIL-53 of idealized composition Al(OH)(ISO)], Ce6O4(OH)(4)(BDC)(6)], and Al(OH)(BDC)], respectively (ISO2-: isophthalate, BDC2-: terephthalate). Its use allowed the synthesis of Ce-UiO-66 on a gram scale. While CAU-10 and Ce-UiO-66 exhibit properties similar to those reported elsewhere for these two materials, the obtained Al-MIL-53 shows no structural flexibility upon adsorption of hydrophilic or hydrophobic guest molecules such as water and xenon and is stabilized in its large-pore form over a broad temperature range (130-450 K). The stabilization of the large-pore form of Al-MIL-53 was attributed to a high percentage of noncoordinating -COOH groups as determined by solid-state NMR spectroscopy. The defective material shows an unusually high water uptake of 310 mg g(-1) within the range of 0.45 to 0.65 p/p degrees. In spite of showing no breathing effect upon water adsorption it exhibits distinct mechanical properties. Thus, mercury intrusion porosimetry studies revealed that the solid can be reversibly forced to breathe by applying moderate pressures (approximate to 60 MPa).

Further data

Item Type: Article in a journal
Refereed: Yes
Additional notes: ISI:000521630700028
Keywords: adsorption; metal-organic frameworks; microporous materials; NMR spectroscopy; solvent effects
Institutions of the University: Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Chair Inorganic Chemistry III
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Chair Inorganic Chemistry III > Chair Inorganic Chemistry III - Univ.-Prof. Dr. Jürgen Senker
Result of work at the UBT: Yes
DDC Subjects: 500 Science
500 Science > 540 Chemistry
Date Deposited: 28 May 2020 07:28
Last Modified: 28 May 2020 07:28
URI: https://eref.uni-bayreuth.de/id/eprint/55267