National Synchrotron Light Source Lunch Time Seminar

"Complexity behind Metal Organic Frameworks’ Chemistry"

Presented by Jorge Gascon, Delft University of Technology, Catalysis Engineering – Chemical Engineering Dept, The Netherlands

Friday, April 22, 2011, 12:00 pm — Seminar Room, Bldg. 725

During the last decade, Metal Organic Frameworks (MOFs) have attracted a great deal of attention in the field of nanostructured materials. The combination of organic and inorganic subunits in these crystalline porous materials has led to vast chemical versatility. In spite of initial skepticism owing to poor stability of the first MOF generation, impressive progress has been made during the last few years, yielding promising results in very different technological disciplines, such as, adsorption and heterogeneous catalysis. MOFs are indeed among the most sophisticated nano-structured solids: not only they possess high surface area and pore volume, but their chemical environment can be fine-tuned by selecting the appropriate building blocks, or by post-synthetic functionalization.
In spite of the plethora of publications on the topic, very little is known about the factors that rule both the performance and the formation of this new class of materials. During this lecture, using two amino functionalized aluminum terephthalate based frameworks (NH2-MIL-53(Al)[1] and NH2-MIL-101(Al)[2]) as example, the reasons for the excellent CO2 capture ability and the step-by-step mechanism behind the competitive formation of these two MOF phases will be unraveled with the help of several in situ synchrotron based techniques.

[1] a) A. Boutin, S. Couck, F.-X. Coudert, P. Serra-Crespo, J. Gascon, F. Kapteijn, A. H. Fuchs and J. F. M. Denayer, Microporous and Mesoporous Materials 2011, 140, 108-113; b) S. Couck, J. F. M. Denayer, G. V. Baron, T. Remy, J. Gascon and F. Kapteijn, Journal of the American Chemical Society 2009, 131, 6326-6327; c) S. Couck, T. Remy, G. V. Baron, J. Gascon, F. Kapteijn and J. F. M. Denayer, Physical Chemistry Chemical Physics 2010, 12, 9413-9418; d) E. Stavitski, E. A. Pidko, S. Couck, T. Remy, E. J. M. Hensen, B. M. Weckhuysen, J. Denayer, J. Gascon and F. Kapteijn, Langmuir 2011, 27, 3970-3976.
[2] P. Serra-Crespo, E. V. Ramos-Fernandez, J. Gascon

Hosted by: Lin Yang

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