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Photoluminescent Lanthanide(III) Complexes Based on 2-[((4-Chlorophenyl)amino)methylene]-5,5-dimethylcyclohexane-1,3-dione Full article

Journal Russian Journal of Coordination Chemistry
ISSN: 1070-3284 , E-ISSN: 1608-3318
Output data Year: 2024, Volume: 50, Number: 4, Pages: 257-268 Pages count : 12 DOI: 10.1134/s1070328423601450
Tags lanthanide(III) complexes, β-enaminedione, polymeric compounds, crystal structure, photoluminescence
Authors Smirnova K.S. 1 , Sanzhenakova E.A. 1 , El’tsov I.V. 2 , Pozdnyakov I.P. 3 , Russkikh A.A. 4 , Dotsenko V.V. 4 , Lider E.V. 1
Affiliations
1 Nikolaev Institute of Inorganic Chemistry, Siberian Branch, Russian Academy of Sciences, Novosibirsk, Russia
2 Novosibirsk National Research State University, Novosibirsk, Russia
3 Voevodskii Institute of Chemical Kinetics and Consumption, Siberian Branch, Russian Academy of Sciences, Novosibirsk, Russia
4 Kuban State University, Krasnodar, Russia

Abstract: Five coordination compounds of the general formula [LnL2(NO3)3]n (Ln3+ = Eu (I), Sm (II), Tb (III), Dy (IV), and Gd (V)) based on 2-[((4-chlorophenyl)amino)methylene]-5,5-dimethylcyclohexane-1,3-dione (L) are synthesized. The crystal structures of the ligand and complex III are determined by X-ray diffraction (XRD) analysis of single crystals (CIF files CCDC no. 2298715 (L) and 2298716 (III)). Complex III is polymeric due to the bidentate-bridging coordination of the ligand by the oxygen atoms of the cyclohexanedione fragment, and the coordination number of the central atom is ten. According to the powder XRD data, all synthesized polycrystalline compounds are isostructural to the single crystals of complex III. The photoluminescence properties of the ligand and coordination compounds in the polycrystalline state are studied. The energy transfer from the ligand to lanthanide(III) ion is shown to proceed via the “antenna” mechanism in the case of the europium(III), samarium(III), and terbium(III) compounds. Among the series of the complexes, the highest quantum yield is observed for compound I (21.9%), and the sensitization efficiency of the europium(III) complex is 43.5%.
Cite: Smirnova K.S. , Sanzhenakova E.A. , El’tsov I.V. , Pozdnyakov I.P. , Russkikh A.A. , Dotsenko V.V. , Lider E.V.
Photoluminescent Lanthanide(III) Complexes Based on 2-[((4-Chlorophenyl)amino)methylene]-5,5-dimethylcyclohexane-1,3-dione
Russian Journal of Coordination Chemistry. 2024. V.50. N4. P.257-268. DOI: 10.1134/s1070328423601450 WOS Scopus РИНЦ OpenAlex
Original: Смирнова К.С. , Санженакова Е.А. , Ельцов И.В. , Поздняков И.П. , Русских А.А. , Доценко В.В. , Лидер Е.В.
ФОТОЛЮМИНЕСЦЕНТНЫЕ КОМПЛЕКСЫ ЛАНТАНИДОВ(III) НА ОСНОВЕ 2-[((4-ХЛОРФЕНИЛ)АМИНО)МЕТИЛЕН]-5,5-ДИМЕТИЛ-ЦИКЛОГЕКСАН-1,3-ДИОНА
Координационная химия. 2024. Т.50. №5. С.296-309. DOI: 10.31857/S0132344X24050026 РИНЦ OpenAlex
Dates:
Submitted: Nov 3, 2023
Accepted: Nov 7, 2023
Published print: Jul 27, 2024
Published online: Jul 27, 2024
Identifiers:
Web of science: WOS:001281169500001
Scopus: 2-s2.0-85199868534
Elibrary: 68538054
OpenAlex: W4401048993
Citing:
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Scopus 1
OpenAlex 2
Web of science 1
Elibrary 1
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