Published in
Royal Society of Chemistry, Chemical Communications, 30(47), p. 8578, 2011
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
Journal article published in 2011 by
Jana Juan-Alcañiz,
Maarten Goesten,
Alberto Martinez-Joaristi,
Eli Stavitski,
Andrei V. Petukhov 
,
Jorge Gascon,
Freek Kapteijn
,
Jorge Gascon,
Freek Kapteijn
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Abstract
The templating effect of the Keggin polyanion derived from phosphotungstic acid (PTA) during the synthesis of NH(2)-MIL-101(Al) has been investigated by means of in situ SAXS/WAXS. Kinetic analysis and structural observations demonstrate that PTA acts as a nucleation site and that it stabilizes the precursor phase NH(2)-MOF-235(Al). Surprisingly kinetics of formation are little changed.