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The structure of the aluminum fumarate metal-organic framework A520
Elsa Alvarez1, Nathalie Guillou, Charlotte Martineau
1Institut Lavoisier de Versailles, UMR 8180 CNRS, Université de Versailles, 45 Avenue des Etats Unis, 78035 Versailles cedex (France); Laboratoire Catalyse et Spectrochimie, ENSICAEN, Université de Caen, CNRS, 6, Bd Maréchal Juin, 14050 Caen (France); PSA Peugeot Citroën-Direction Scientifique et Technologies Futures. DSTF/SEPC/STEP, Route de Gisy, 78943 Velizy-Villacoublay cedex (France).
Abstract:
The synthesis of the commercially available aluminum fumarate sample A520 has been optimized and its structure analyzed through a combination of powder diffraction, solid-state NMR spectroscopy, molecular simulation, IR spectroscopy, and thermal analysis. A520 is an analogue of the MIL-53(Al)-BDC solid, but with a more rigid behavior. The differences between the commercial and the optimized samples in terms of defects have been investigated by in situ IR spectroscopy and correlated to their catalytic activity for ethanol dehydration.
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