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Synthesis modulation as a tool to increase the catalytic activity of MOFs: the unique case of UiO-66(Zr)

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F. Vermoortele, B. Bueken, G. Le Bars, B. Van de Voorde, M. Vandichel, K. Houthoofd, A. Vimont, M. Daturi, M. Waroquier, V. Van Speybroeck, C. Kirschhock, D. De Vos
JACS (Journal of the American Chemical Society)
135 (31), 11465–11468
2013
A1

Abstract 

The catalytic activity of the zirconium terephthalate UiO-66(Zr) can be drastically increased by using a modulation approach. The combined use of trifluoroacetic acid and HCl during the synthesis results in a highly crystalline material, with partial substitution of terephthalates by trifluoroacetate. Thermal activation of the material leads not only to dehydroxylation of the hexanuclear Zr cluster but also to post-synthetic removal of the trifluoroacetate groups, resulting in a more open framework with a large number of open sites. Consequently, the material is a highly active catalyst for several Lewis acid catalyzed reactions.

DOI 

http://dx.doi.org/10.1021/ja405078u

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PDF icon 13_jacs_135_11465_Vermoortele.pdf

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Preface First

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