Title: Direct Observation of Molecular-Level Template Action Leading to Self-Assembly of a Porous Framework
Authors: Bajpe, Sneha ×
Kirschhock, Christine
Aerts, Alexander
Breynaert, Eric
Absillis, Gregory
Parac-Vogt, Tatjana
Giebeler, Lars
Martens, Johan #
Issue Date: 2010
Publisher: Wiley-v c h verlag gmbh
Series Title: Chemistry-a european journal vol:16 issue:13 pages:3926-3932
Abstract: The molecular steps involved in the self-assembly of Cu-3(BTC)(2) (BTC = 1,3,5-benzenetricarboxylic acid) metal organic frameworks that enclose Keggin-type H3PW12O40 heteropolyacid molecules were unraveled by using solution O-17, P-31, and W-183 NMR spectroscopy, small-angle X-ray scattering, near-IR spectroscopy, and dynamic light scattering. In aqueous solution, complexation of Cu2+ ions with Keggin-type heteropolyacids was observed. Cu2+ ions are arranged around the Keggin structure so that linking through benzenetricarboxylate groups results in the formation of the Cu-3(BTC)(2) MOF structure HKUST-1. This is a unique instance in which a templating mechanism that relies on specific molecular-level matching and leads to explicit nanoscale building units can be observed in situ during formation of the synthetic nanoporous material.
ISSN: 0947-6539
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Centre for Surface Chemistry and Catalysis
Molecular Design and Synthesis
× corresponding author
# (joint) last author

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