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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Lis, Stefan
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (17/17 displayed)
- 2020Surface Modification of Luminescent LnIII Fluoride Core–Shell Nanoparticles with Acetylsalicylic acid (Aspirin): Synthesis, Spectroscopic and in Vitro Hemocompatibility Studiescitations
- 2019Synthesis of highly luminescent nanocomposite LaF3:Ln3+/Q-dots-CdTe system, exhibiting tunable red-to-green emissioncitations
- 2016Luminescent cellulose fibers modified with cerium fluoride doped with terbium particlescitations
- 2016Spectroscopic, structural and in vitro cytotoxicity evaluation of luminescent, lanthanide doped core@shell nanomaterials GdVO<inf>4</inf>:Eu<sup>3+</sup>5%@SiO<inf>2</inf>@NH<inf>2</inf>citations
- 2015Synthesis, structural and spectroscopic studies on GdBO<inf>3</inf>:Yb<sup>3+</sup>/Tb<sup>3+</sup>@SiO<inf>2</inf> core-shell nanostructurescitations
- 2015Synthesis, characterization, and cytotoxicity in human erythrocytes of multifunctional, magnetic, and luminescent nanocrystalline rare earth fluoridescitations
- 2014Revised crystal structure and luminescent properties of gadolinium oxyfluoride Gd<inf>4</inf>O<inf>3</inf>F<inf>6</inf> doped with Eu<sup>3+</sup> ionscitations
- 2013New complexes of cobalt(II) ions with pyridinecarboxylic acid N-oxides and 4,4′-bypcitations
- 2013Structural, spectroscopic and cytotoxicity studies of TbF <inf>3</inf>@CeF<inf>3</inf> and TbF<inf>3</inf>@CeF<inf>3</inf>@SiO<inf>2</inf> nanocrystalscitations
- 2013Hydrothermal synthesis and structural and spectroscopic properties of the new triclinic form of GdBO<inf>3</inf>:Eu<sup>3+</sup> nanocrystalscitations
- 2012Luminescent cellulose fibers activated by Eu <sup>3+</sup>-doped nanoparticlescitations
- 2012Tunable luminescence of Sr <inf>2</inf>CeO <inf>4</inf>:M <sup>2+</sup> (M = Ca, Mg, Ba, Zn) and Sr <inf>2</inf>CeO <inf>4</inf>:Ln <sup>3+</sup> (Ln = Eu, Dy, Tm) nanophosphorscitations
- 2012Synthesis, complexation studies and structural characterization of d and f metal ion complexes with 4-chloroquinaldinic acid N-oxidecitations
- 2012Magnetic and luminescent hybrid nanomaterial based on Fe <inf>3</inf>O <inf>4</inf> nanocrystals and GdPO <inf>4</inf>:Eu <sup>3+</sup> nanoneedlescitations
- 2011Synthesis, spectroscopic and structural properties of uranyl complexes based on bipyridine N-oxide ligandscitations
- 2011Structural and spectroscopic properties of LaOF:Eu<sup>3+</sup> nanocrystals prepared by the sol-gel Pechini methodcitations
- 2002Luminescence studies of Eu(III) mixed ligand complexescitations
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article
Synthesis, spectroscopic and structural properties of uranyl complexes based on bipyridine N-oxide ligands
Abstract
<p>By using 2,2′-bipyridine N-oxide (bipyO) and 2,2′-bipyridine N,N′-dioxide (bipyO<sub>2</sub>), three new uranyl complexes [UO<sub>2</sub>(bipyO)SO<sub>4</sub>]·H<sub>2</sub>O (1), [UO<sub>2</sub>(bipyO)(OH)(NO<sub>3</sub>)]<sub>2</sub>·H<sub>2</sub>O (2) and [UO<sub>2</sub>(bipyO<sub>2</sub>)H<sub>2</sub>O](ClO<sub>4</sub>)<sub>2</sub>·(3) were synthesized using uranyl salts including non-coordinating or weakly coordinating power of the ClO<sub>4</sub><sup>-</sup>anion and the strongly coordinating power of NO<sub>3</sub><sup>-</sup>and SO<sub>4</sub><sup>2-</sup>anions. All of the compounds were characterized by CHN microanalytical procedures, infrared and luminescence spectroscopy and by single crystal X-ray diffraction. Spectroscopic studies indicate that the bipyO is bound to the uranyl group via the nitrogen and oxygen atoms. Structural analyses revealed that overall bonding pattern is different in each case: 1 is a polymer; in 2 dimeric complex molecules are formed, whereas 3 is composed of monomers. In all of the complexes, the uranium atom is in a seven-coordinate environment. © 2010 Elsevier Ltd. All rights reserved.</p>