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Now showing items 21-30 of 50
New k1,k1-benzoato-bridged complexes of Eu(III) and Tb(III) with a triazine-benzamide ligand
Two new complexes of Eu(III) and Tb(III) with the new ligand N,N′,N″-(1,3,5-triazine-2,4,6-triyl) tribenza mide (TBZM) and benzoate (BA) have been isolated and crystallographically characterized [Tb(BA)2(TBZM)(H2O)]2(CF3 ...
Uranyl Sensitization of Samarium(III) Luminescence in a Two-Dimensional Coordination Polymer
Heterometallic carboxyphosphonates UO22+/Ln3+ have been prepared from the hydrothermal reaction of uranyl nitrate, lanthanide nitrate (Ln = Sm, Tb, Er, Yb), and phosphonoacetic acid (H3PPA). Compound 1, (UO2)2(PPA)(HPPA) ...
An oxazoline derivatized Pybox ligand for Eu(III) and Tb(III) sensitization
A new Tb(III) dimer with an oxazoline-derivatized pyridine ligand, dimethyl-2,2′-(pyridine-2,6-diyl)bis(4,5-dihydrooxazole-4-carboxylate), has been isolated. This complex is highly luminescent and crystallizes in the ...
Estimating the donor-acceptor distance to tune the emission efficiency of luminescent lanthanide compounds
The influence of the donor–acceptor distance RL on the photophysical properties, including the emission quantum yield, of two europium complexes with the same coordination number, and thus similar microsymmetries, was ...
Counter-anions and their coordination behavior with Cu(II) complexes of thiophen-3-yl-dipicolylamine
A new ligand, 1-(pyridin-2-yl)-N-(pyridin-2-ylmethyl)-N-(thiophen-3-ylmethyl)methanamine, ThDPA, was synthesized, as a new example of an N3S donor. Cu(II) complexes of this ligand were isolated. When Cu(NO3)2 was used as ...
Synthesis, Lanthanide Coordination Chemistry, and Liquid–Liquid Extraction Performance of CMPO-Decorated Pyridine and Pyridine N-Oxide Platforms
Syntheses for a set of new ligands containing one or two carbamoylmethylphosphine oxide (CMPO) fragments appended to pyridine and pyridine N-oxide platforms are described. Molecular mechanics analyses for gas phase ...
Editorial for the Virtual Issue on Photochemistry and Photophysics of Lanthanide Compounds
"The Lanthanons: These elements perplex us in our researches, baffle us in our speculations, and haunt us in our very dreams. They stretch like an unknown sea before us-mocking, mystifying, and murmuring strange ...
Aromatic N-Donor Ligands as Chelators and Sensitizers of Lanthanide Ion Emission
Recent advances in the coordination of lanthanide ions and sensitization of their luminescence with aromatic N-donor ligands are presented.
An uncommon hexafluorosilicate salt of the bis(diethylamino)diflurosulfonium cation displaying extensive hydrogen bonding
The title compound, [(C4H10NSF2)2][SiF6], was isolated as a decomposition product of diethylaminosulfur trifluoride. The structure consists of two monovalent (diethylamino)difluorosulfonium cations surrounding one divalent ...
Unusual nitro-coordination of Eu(III) and Tb(III) with pyridinyl ligands
A new ligand family based on picoline, bipyridine and terpyridine containing a nitro moiety has been synthesized and its coordination and sensitization ability for lanthanide ions has been studied. Three new complexes were ...