Journal
CHEMISTRY-AN ASIAN JOURNAL
Volume 7, Issue 5, Pages 1069-1073Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/asia.201101002
Keywords
lanthanides; luminescence; metal-organic framework; sensors; solid-state structures
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Funding
- National Basic Research Program of China (973 Programs) [2011CB932504, 2012CB821705]
- NSFC [21073191, 21103189, 21173224]
- NSF of Fujian Province [2011J06005, 2010J05039]
- CAS [KJCX2-YW-H21]
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Through careful consideration of charge matching, a simple replacement of metal ion from Cd2+ to Ln3+ in a building unit successfully transforms an anionic microporous framework into a series of isostructural porous neutral heterometallic frameworks [Cd3Ln2(btc)4(H2O)6(dmf)4]center dot x(solvent) (1; Ln=Tb, Eu, Nd, Gd, Sm, dmf=N,N'-dimethylformamide) by employing five different lanthanide ions. 1-Tb and 1-Eu exhibit interesting photoluminescent properties, and remarkably, 1-Tb can act as a luminescent sensor to identify organic solvents and metal ions.
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