Synthesis Modulation as a Tool To Increase the Catalytic Activity of Metal-Organic Frameworks: The Unique Case of UiO-66(Zr)

被引：933

作者：

Vermoortele, Frederik ^{[1
]}

Bueken, Bart ^{[1
]}

Le Bars, Gaelle ^{[2
]}

Van de Voorde, Ben ^{[1
]}

Vandichel, Matthias ^{[3
]}

Houthoofd, Kristof ^{[1
]}

Vimont, Alexandre ^{[2
]}

Daturi, Marco ^{[2
]}

Waroquier, Michel ^{[3
]}

Van Speybroeck, Veronique ^{[3
]}

Kirschhock, Christine ^{[1
]}

De Vos, Dirk E. ^{[1
]}

机构：

[1] Katholieke Univ Leuven, Ctr Surface Chem & Catalysis, B-3001 Louvain, Belgium

[2] Univ Caen, CNRS, ENSICAEN, Lab Catalyse & Spectrochim, F-14050 Caen, France

[3] Univ Ghent, Ctr Mol Modeling, B-9052 Zwijnaarde, Belgium

来源：

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY | 2013年 / 135卷 / 31期

关键词：

POROUS COORDINATION POLYMER; GROWTH; CRYSTALLIZATION; NANOCRYSTALS; SCATTERING; NANORODS; CRYSTALS;

D O I：

10.1021/ja405078u

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

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.

引用

页码：11465 / 11468

页数：4

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