Journal
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
Volume 55, Issue 38, Pages 11528-11532Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201606185
Keywords
metal-organic frameworks; metathesis; SC to SC transformation; phosphate; selective sensing
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Funding
- Science and Engineering Research Board (SERB), Govt. of India [SB/S1/IC-14/2013]
- CSIR
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A complete transmetalation has been achieved on a barium metal-organic framework (MOF), leading to the isolation of a new Tb-MOF in a single-crystal (SC) to single-crystal (SC) fashion. It leads to the transformation of an anionic framework with cations in the pore to one that is neutral. The mechanistic studies proposed a core-shell metal exchange through dissociation of metal-ligand bonds. This Tb-MOF exhibits enhanced photoluminescence and acts as a selective sensor for phosphate anion in aqueous medium. Thus, this work not only provides a method to functionalize a MOF that can have potential application in sensing but also elucidates the formation mechanism of the resulting MOF.
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