2017
DOI: 10.1021/acs.inorgchem.6b02825
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Influence of Eu(III) Complexes Structural Anisotropy on Luminescence of Doped Conjugated Polymer Blends

Abstract: Europium(III) complexes that are the anisometric analogues of a well-known Eu(DBM)Phen (DBM = dibenzoylmethane; Phen = 1,10-phenanthroline) complex were synthesized. Quantum-chemical calculations of the excited states of new Eu(III) complexes and some conjugated polymers showed that poly(N-vinylcarbazole) provides the most efficient energy transfer in polymer films doped with synthesized Eu(III) complexes. These new composite films were prepared, and their luminescence properties were studied. The results of e… Show more

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Cited by 22 publications
(12 citation statements)
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“…To study the photostability of the obtained film materials, the UVGL-58 Manual UV-lamp (365 nm) with the 6 W capacity was used. The powders of anisometric complexes were synthesized according to the procedure described in the previous papers [20,21]. A warm solution of LnCl3 · 6H2O (0.1 mmol) in ethanol was slowly added dropwise to a hot alcoholic solution containing 0.3 mmol of β -diketone [22], 0.1 mmol of Phen, and 0.3 mmol of KOH.…”
Section: Resultsmentioning
confidence: 99%
“…To study the photostability of the obtained film materials, the UVGL-58 Manual UV-lamp (365 nm) with the 6 W capacity was used. The powders of anisometric complexes were synthesized according to the procedure described in the previous papers [20,21]. A warm solution of LnCl3 · 6H2O (0.1 mmol) in ethanol was slowly added dropwise to a hot alcoholic solution containing 0.3 mmol of β -diketone [22], 0.1 mmol of Phen, and 0.3 mmol of KOH.…”
Section: Resultsmentioning
confidence: 99%
“…The europium(III) complex ( Fig. 1) was synthesized according to the method described by Knyazev, Karyakin et al, 2015;Knyazev, Karyakin, Krupin et al, 2017;Knyazev et al, 2013). The composition and the structure of this complex are confirmed by IR spectroscopy data as well as by elemental and X-ray fluorescence analysis.…”
Section: Synthesis and Characterization Of Europium(iii) Complexmentioning
confidence: 99%
“…Therefore, two methods could be applied to preparation of films: bulk polymerization and spin coating. The structure of the ligands was selected according to the Jablonski diagram by comparing the data on emission transitions of lanthanide ions and energy levels of the -diketone and the Lewis base homologs that were used (Latva et al, 1997;Sato & Wada, 1970;Binnemans, 2005;Knyazev, Karyakin, Krupin et al, 2017).…”
Section: Synthesis and Characterization Of Europium(iii) Complexmentioning
confidence: 99%
“…Для определения триплетных уровней лигандов первоначально были исследованы спектры фосфоресценции порошка комплекса гадолиния (III) с аналогичными лигандами при температуре жидкого азота [25]. Анализ спектров люминесценции показал, что триплетный уровень β-дикетона находится на ≈ 19700 см -1 , а 5,5'-дигептадецил-2,2'-бипиридина -на ≈ 20750 см -1 .…”
Section: экспериментunclassified