期刊
DALTON TRANSACTIONS
卷 44, 期 5, 页码 2217-2222出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c4dt02396j
关键词
-
资金
- 973 Program [2012CB821702, 2014CB845603]
- National Science Foundation of China [21173223, 21233009, 2013J05039, 21203194]
A series of isostructural lanthanide three-dimensional compounds [Ln(HL)(H2O)(2)]center dot guest (Ln = Tb or Eu, H4L = 2-(N,N-bis(4-methylbenzoic acid)amino)benzoic-1,4-dioic acid, guest = NMP, DMA, DMF or H2O) were assembled and characterized. Their luminescence intensities and quantum yields increase in the order of the guest molecules: NMP > DMA > DMF > H2O (NMP = N-methyl-2-pyrrolidone, DMA = N,N-dimethylacetamide, DMF = N,N-dimethylformamide). The investigation reveals that the hydrogen-bond formed between the metal-organic frameworks should be responsible for the luminescence enhancement of the compounds.
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