Chiral (6,3) Network Assembled by Lanthanide and Changeful Dihydroxyfumaric Acid
2012
A series of chiral two-dimensional lanthanide coordination polymers, [Ln2(L)3(H2O)6]n·n/3H2O [Ln=Nd (1a, 1b), Sm (2), Eu (3), Tb (4), Dy (5), Ho (6), Er (7); H2L=2,2-dihydroxylmalonic acid], have been hydrothermally synthesized by using dihydroxyfumaric acid as a source of polydentate O-donor ligands. The luminescence behaviors of 3 and 4 have been investigated, and they exhibit strong red and green fluorescence in the visible region respectively.
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