Open Access
Mono- and Mixed Metal Complexes of Eu3+, Gd3+, and Tb3+ with a Diketone, Bearing Pyrazole Moiety and CHF2-Group: Structure, Color Tuning, and Kinetics of Energy Transfer between Lanthanide Ions
Victoria E Gontcharenko
1
,
Vladimir D. Dolzhenko
1, 3
,
Vladislav M Korshunov
4, 5
,
Ilya V. Taydakov
4, 6
,
Yury A. Belousov
1, 4
5
Publication type: Journal Article
Publication date: 2021-05-01
PubMed ID:
34062750
Organic Chemistry
Drug Discovery
Physical and Theoretical Chemistry
Pharmaceutical Science
Molecular Medicine
Analytical Chemistry
Chemistry (miscellaneous)
Abstract
Three novel lanthanide complexes with the ligand 4,4-difluoro-1-(1,5-dimethyl-1H-pyrazol-4-yl)butane-1,3-dione (HL), namely [LnL3(H2O)2], Ln = Eu, Gd and Tb, were synthesized, and, according to single-crystal X-ray diffraction, are isostructural. The photoluminescent properties of these compounds, as well as of three series of mixed metal complexes [EuxTb1-xL3(H2O)2] (EuxTb1-xL3), [EuxGd1-xL3(H2O)2] (EuxGd1-xL3), and [GdxTb1-xL3(H2O)2] (GdxTb1-xL3), were studied. The EuxTb1-xL3 complexes exhibit the simultaneous emission of both Eu3+ and Tb3+ ions, and the luminescence color rapidly changes from green to red upon introducing even a small fraction of Eu3+. A detailed analysis of the luminescence decay made it possible to determine the observed radiative lifetimes of Tb3+ and Eu3+ and estimate the rate of excitation energy transfer between these ions. For this task, a simple approximation function was proposed. The values of the energy transfer rates determined independently from the luminescence decays of terbium(III) and europium(III) ions show a good correlation.
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31
Total citations:
31
Citations from 2025:
4
(12.9%)
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GOST
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Gontcharenko V. E. et al. Mono- and Mixed Metal Complexes of Eu3+, Gd3+, and Tb3+ with a Diketone, Bearing Pyrazole Moiety and CHF2-Group: Structure, Color Tuning, and Kinetics of Energy Transfer between Lanthanide Ions // Molecules. 2021. Vol. 26. No. 9. p. 2655.
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Gontcharenko V. E., Kiskin M. A., Dolzhenko V. D., Korshunov V. M., Taydakov I. V., Belousov Y. A. Mono- and Mixed Metal Complexes of Eu3+, Gd3+, and Tb3+ with a Diketone, Bearing Pyrazole Moiety and CHF2-Group: Structure, Color Tuning, and Kinetics of Energy Transfer between Lanthanide Ions // Molecules. 2021. Vol. 26. No. 9. p. 2655.
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RIS
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TY - JOUR
DO - 10.3390/molecules26092655
UR - https://doi.org/10.3390/molecules26092655
TI - Mono- and Mixed Metal Complexes of Eu3+, Gd3+, and Tb3+ with a Diketone, Bearing Pyrazole Moiety and CHF2-Group: Structure, Color Tuning, and Kinetics of Energy Transfer between Lanthanide Ions
T2 - Molecules
AU - Gontcharenko, Victoria E
AU - Kiskin, Mikhail A.
AU - Dolzhenko, Vladimir D.
AU - Korshunov, Vladislav M
AU - Taydakov, Ilya V.
AU - Belousov, Yury A.
PY - 2021
DA - 2021/05/01
PB - MDPI
SP - 2655
IS - 9
VL - 26
PMID - 34062750
SN - 1420-3049
ER -
Cite this
BibTex (up to 50 authors)
Copy
@article{2021_Gontcharenko,
author = {Victoria E Gontcharenko and Mikhail A. Kiskin and Vladimir D. Dolzhenko and Vladislav M Korshunov and Ilya V. Taydakov and Yury A. Belousov},
title = {Mono- and Mixed Metal Complexes of Eu3+, Gd3+, and Tb3+ with a Diketone, Bearing Pyrazole Moiety and CHF2-Group: Structure, Color Tuning, and Kinetics of Energy Transfer between Lanthanide Ions},
journal = {Molecules},
year = {2021},
volume = {26},
publisher = {MDPI},
month = {may},
url = {https://doi.org/10.3390/molecules26092655},
number = {9},
pages = {2655},
doi = {10.3390/molecules26092655}
}
Cite this
MLA
Copy
Gontcharenko, Victoria E., et al. “Mono- and Mixed Metal Complexes of Eu3+, Gd3+, and Tb3+ with a Diketone, Bearing Pyrazole Moiety and CHF2-Group: Structure, Color Tuning, and Kinetics of Energy Transfer between Lanthanide Ions.” Molecules, vol. 26, no. 9, May. 2021, p. 2655. https://doi.org/10.3390/molecules26092655.