Lanthanide coordination polymers: Synthesis, diverse structure and luminescence properties
| Autor: | Guo-Quan Cheng, Yao-Kun Lei, Meng-Meng Zhao, Yun-Qiao Peng, Xue-Qin Song, Xiao-Run Wang |
|---|---|
| Rok vydání: | 2014 |
| Předmět: |
Lanthanide
Lanthanide contraction Chemistry Stereochemistry Ligand Infrared spectroscopy Bridging ligand Crystal structure Condensed Matter Physics Electronic Optical and Magnetic Materials Inorganic Chemistry Crystallography Materials Chemistry Ceramics and Composites Physical and Theoretical Chemistry Triplet state Chirality (chemistry) |
| Zdroj: | Journal of Solid State Chemistry. 218:202-212 |
| ISSN: | 0022-4596 |
| DOI: | 10.1016/j.jssc.2014.06.025 |
| Popis: | The new semirigid exo-bidentate ligand incorporating furfurysalicylamide terminal groups, namely, 1,4-bis{[(2′-furfurylaminoformyl)phenoxyl]methyl}-2,5-bismethylbenzene (L) was synthesized and used as building blocks for constructing lanthanide coordination polymers with luminescent properties. The series of lanthanide nitrate complexes have been characterized by elemental analysis, IR spectroscopy, and X-ray diffraction analysis. The semirigid ligand L, as a bridging ligand, reacts with lanthanide nitrates forming three distinct structure types: chiral noninterpenetrated two-dimensional (2D) honeycomblike (6,3) (hcb, Schlafli symbol 63, vertex symbol 6 6 6) topological network as type I, 1D zigzag chain as type II and 1D trapezoid ladder-like chain as type III. The structural diversities indicate that lanthanide contraction effect played significant roles in the structural self-assembled process. The luminescent properties of EuIII, TbIII and DyIII complexes are discussed in detail. Due to the good match between the lowest triplet state of the ligand and the resonant energy level of the lanthanide ion, the lanthanide ions in EuIII, TbIII and DyIII complexes can be efficiently sensitized by the ligand. |
| Databáze: | OpenAIRE |
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