Live encapsulation of a Keggin polyanion in NH2-MIL-101(Al) observed by in situ time resolved X-ray scattering

Jana Juan-Alcañiz; Maarten Goesten; Alberto Martinez-Joaristi; Eli Stavitski; Andrei V. Petukhov; Jorge Gascon; Freek Kapteijn

doi:10.1039/C1CC12213D

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Live encapsulation of a Keggin polyanion in NH₂-MIL-101(Al) observed by in situ time resolved X-ray scattering†

Jana Juan-Alcañiz,^a Maarten Goesten,^a Alberto Martinez-Joaristi,^a Eli Stavitski,*^b Andrei V. Petukhov,^c Jorge Gascon*^a and Freek Kapteijn^a

Author affiliations

* Corresponding authors

^a Catalysis Engineering–Chemical Engineering Dept, Delft University of Technology, Julianalaan 136, 2628 BL Delft, The Netherlands
E-mail: j.gascon@tudelft.nl

^b National Synchrotron Light Source, Brookhaven National Laboratory, Upton NY 11973, USA
E-mail: istavitski@bnl.gov

^c Van't Hoff Laboratory for Physical and Colloid Chemistry, Debye Institute for Nanomaterials Science, Utrecht University, Padualaan 8, 3584 CH Utrecht, The Netherlands

Abstract

The templating effect of the Keggin polyanion derived from phosphotungstic acid (PTA) during the synthesis of NH₂-MIL-101(Al) has been investigated by means of in situSAXS/WAXS. Kinetic analysis and structural observations demonstrate that PTA acts as a nucleation site and that it stabilizes the precursor phase NH₂-MOF-235(Al). Surprisingly kinetics of formation are little changed.

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Article information

DOI: https://doi.org/10.1039/C1CC12213D
Article type: Communication
Submitted: 17 Apr 2011
Accepted: 06 Jun 2011
First published: 27 Jun 2011

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Chem. Commun., 2011,47, 8578-8580

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Live encapsulation of a Keggin polyanion in NH₂-MIL-101(Al) observed by in situ time resolved X-ray scattering

J. Juan-Alcañiz, M. Goesten, A. Martinez-Joaristi, E. Stavitski, A. V. Petukhov, J. Gascon and F. Kapteijn, Chem. Commun., 2011, 47, 8578 DOI: 10.1039/C1CC12213D

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