Rare-earth based OLEDs

Teixeira, K.C.; Moreira, Gabriela F.; Quirino, Welber G.; Legnani, Cristiano; Silva, Raigna A.; Cremona, M.; Brito, Hermi F.; Achete, Carlos A.

doi:10.1007/s10973-011-1564-z

Cited by 18 publications

(4 citation statements)

References 18 publications

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“…Note that compounds IIIa and IIIb are rare examples of lithium-lanthanide tetrakis-β-diketonates, whose structures were determined using the XRD data. The previously synthesized heterobimetallic Ln-Li complexes based on nonfunctionalized β-dike-tones were assigned to tetrakis-β-diketonates [LiLn(β-diketonate) 4 ] only on the basis of the data of IR spectroscopy and elemental analysis [21,22].…”

Section: Resultsmentioning

confidence: 99%

A Rare Example of Discrete Lanthanide–Lithium Tetrakis-β-Diketonates: Synthesis, Structures, and Luminescence Properties

et al. 2020

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The reactions of functionalized lithium CF 3 -β-diketonate (LiL) with europium(III) and terbium(III) chlorides in acetonitrile afford heterobimetallic complexes with the general formula [LiLnL 4 (H 2 O)](CH 3 CN) (Ln = Eu (IIIa) and Tb (IIIb)). It is found that Ln-Li tetrakis-β-diketonates can also be prepared by the crystallization from acetonitrile of the previously synthesized complexes [(LnL 3 )(LiL)(MeOH)] (I) and [(LnL 3 )(LiL)(H 2 O)] (II). For the first time, the single crystals of the compounds in a series of Ln-Li tetrakis-β-diketonates are characterized by X-ray diffraction analysis (CIF files CCDC nos. 1973632 (IIIa) and 1973633 (IIIb)). The photoluminescence properties of the synthesized heterometallic complexes in the solid state are studied.

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Section: Resultsmentioning

confidence: 99%

A Rare Example of Discrete Lanthanide–Lithium Tetrakis-β-Diketonates: Synthesis, Structures, and Luminescence Properties

et al. 2020

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“…Among them, the tetrakis–diketonato complexes of the type M[Ln(dik) 4 ] where M = Cs, Y and La 42 – 44 stand out, since some of these molecules have been used in the fabrication of nano-optical devices by thermal techniques under high vacuum conditions. 45 These compounds are non-hygroscopic and air-stable and can be sublimed on substrates maintaining their molecular structure. 43 , 44 Sublimable ionic molecules based on mononuclear complexes with the 8-hydroxyquinolinato ligand are also known.…”

Section: Resultsmentioning

confidence: 99%

Sublimable chloroquinolinate lanthanoid single-ion magnets deposited on ferromagnetic electrodes

et al. 2018

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“…The formation of stable intermediate products of dehydration (Ln 2 oba 3 ) is confirmed by the almost linear Gram-Schmidt plot and a lack of absorption bands on the FTIR spectra. Above 400°C, a stacked plot of FTIR spectra shows a characteristic doublet band with maxima at 2,357 and 2,344 cm -1 and those in the range 750-600 cm -1 , because of stretching and deformation vibrations of carbon dioxide molecules [42]. This product is formed probably as a consequence of disruption of lanthanide-organic ligand bonds.…”

Section: Tg-ftir Analysis In Nitrogenmentioning

confidence: 96%

Hydrothermal synthesis, thermal and luminescent investigations of lanthanide(III) coordination polymers based on the 4,4′-oxybis(benzoate) ligand

Łyszczek

2011

J Therm Anal Calorim

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In this study, new series of lanthanide 4,4 0oxybis(benzoates) of the general formula Ln 2 oba 3 ÁnH 2 O, where Ln = lanthanides from La(III) to Lu(III), oba = C 12 H 8 O(COO) 2 2and n = 3-6, has been prepared under hydrothermal conditions. The compounds were characterized by elemental analysis, infrared spectroscopy, X-ray diffraction patterns measurements and different methods of thermal analysis (TG, DSC, and TG-FTIR). In addition, photoluminescence properties of the selected complexes have been investigated. Crystalline compounds are isostructural in the whole series. Both carboxylate groups are deprotonated and engaged in the coordination of Ln(III) ions. Heating of the complexes leads to the dehydration and next decomposition processes. Although of the same structure, the removal of water molecules proceeds in different ways. In the nitrogen atmosphere, they decompose releasing water, carbon oxides and phenol molecules. The complexes of Eu(III), Tb(III) and Dy(III) exhibit photoluminescence in the visible range, whereas the compounds of Nd(III) and Yb(III) in the near-infrared region upon excitation by UV light.

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Rare-earth based OLEDs

Cited by 18 publications

References 18 publications

A Rare Example of Discrete Lanthanide–Lithium Tetrakis-β-Diketonates: Synthesis, Structures, and Luminescence Properties

A Rare Example of Discrete Lanthanide–Lithium Tetrakis-β-Diketonates: Synthesis, Structures, and Luminescence Properties

Sublimable chloroquinolinate lanthanoid single-ion magnets deposited on ferromagnetic electrodes

Hydrothermal synthesis, thermal and luminescent investigations of lanthanide(III) coordination polymers based on the 4,4′-oxybis(benzoate) ligand

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