Journal
DALTON TRANSACTIONS
Volume 47, Issue 34, Pages 11806-11811Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c8dt01508b
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Funding
- Center for Gas Separations Relevant to Clean Energy Technologies, an Energy Frontier Research Center - U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences [DE-SC0001015]
- U.S. Department of Energy, Office of Fossil Energy, the National Energy Technology Laboratory [DE-FE0026472]
- Robert A. Welch Foundation [A-0030]
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A new luminescent mesoporous metal-organic framework (PCN-604) was successfully synthesized from trimetric clusters, Al-3(O)(CH3COO)(6), and pyridine-based tritopic linkers, 4,4', 4'''-(pyridine-2,4,6-triyl) tribenzoate (PTB), via a solvothermal reaction. The MOF with an MTN topology possesses remarkable aqueous and thermal stabilities. Due to the efficient binding sites rendered by the pyridyl-based linkers, PCN-604 shows a fast fluorescence response towards trace amounts of Fe3+ ions in water in a fluorescence- quenching mode. The Stern-Volmer quenching constant is calculated to be 8.53 x 10(3) M-1 and the limit of detection is 6.2 mu M, which convincingly demonstrate the ability of the MOF for Fe3+ detection.
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