Abstract
A series of new lanthanide hybrids [Ln3(u-OH)4 (2,5-pydc)(2,5-Hpydc)3(H2O)4]n (Ln = Gd (1), Dy (2), Er (3), Eu (4), Sm (5), Yb (6), Y (7); 2,5-pydc=pyridine-2,5- dicarboxylate), as clustered lanthanide oxide ring tunnels with helical dodecahedral chains and fully 3D Ln-O-Ln connectivity, has been hydrothermally synthesized and characterized. The inorganic skeleton of the hybrid can be specified by the Schläfli symbol (6210)2 (6 4102) as a single 3D (3,4)-connected net. The luminescence properties have been studied, and the results showed that the Dy(III) (2) and Eu(III) (4) complexes exhibited sensitized luminescence in the visible region. Variable-temperature magnetic susceptibility measurements of 1-6 showed that the complexes 1-3 are nearly paramagnets, whereas the depopulation of the Stark levels in complexes 4-6 leads to a continuous decrease in μeff when the sample is cooled from 300 to 2 K.
| Original language | English |
|---|---|
| Pages (from-to) | 1171-1176 |
| Number of pages | 6 |
| Journal | Inorganic Chemistry |
| Volume | 46 |
| Issue number | 4 |
| DOIs | |
| Publication status | Published - 19 Feb 2007 |
| Externally published | Yes |
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