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Issue 45, 2013
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Direct synthesis and mechanism of the formation of mixed metal Fe2Ni-MIL-88B

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Abstract

The direct synthesis of Fe3-MIL-88B and Fe2Ni-MIL-88B was analyzed using different characterization techniques including UV-vis, IR, and Raman spectroscopies and XRD. It was found that single metal Fe3-MOF-235 seeds which were formed from the first stage of synthesis are precursors for the formation of MIL-88B. Fe3-MOF-235 seeds formed in the first stage of synthesis were then transformed to Fe3-MIL-88B in the case of single metal, and to mixed Fe2Ni-MIL88B in the case of mixed metal synthesis. In the both cases of Fe3-MIL-88B and Fe2Ni-MIL-88B, the FeCl4 anion is a key feature for the formation of MOF-235. An anion-mediated mechanism for the formation of the MOF-235 structure is also suggested.

Graphical abstract: Direct synthesis and mechanism of the formation of mixed metal Fe2Ni-MIL-88B

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Article information


Submitted
22 Jul 2013
Accepted
19 Aug 2013
First published
19 Aug 2013

CrystEngComm, 2013,15, 9694-9703
Article type
Paper

Direct synthesis and mechanism of the formation of mixed metal Fe2Ni-MIL-88B

G. Vuong, M. Pham and T. Do, CrystEngComm, 2013, 15, 9694
DOI: 10.1039/C3CE41453A

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