Abstract
Europium(III) coordination compound Eu(TTA)3(Ph3PO)2 (1) {TTA = thenoyltrifluoroacetonate, Ph3PO = triphenylphosphine oxide} has been prepared and characterized. Powder samples of the complex have been characterized by thermogarvimetric analysis (TGA), optical transmission and photoluminescence (PL) spectroscopy. PL have been registered for different temperatures in the range 11–300 K. The PL spectra was detected as specific narrow emission bands of internal transitions 4f → 4f of the Eu3+ ion 5D0 → 7Fj (j = 0–4). The major bands are centered at ca 580, 595, 615, 650 and 698 nm. PL data can be interpreted in the framework of the mechanism of energy transfer from the organic ligand matrix to Eu3+ ion.
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Acknowledgements
This research is supported by the CSSDT/ANCD/MECC 15.817.02.03A, ANCD 20.80009.5007.1, ANCD 20.80009.5007.28 and Moldova - Belarus bilateral program NARD - GKNT.
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Bordian, O. et al. (2022). Photoluminescence Properties of Eu(TTA)3(Ph3PO)2. In: Tiginyanu, I., Sontea, V., Railean, S. (eds) 5th International Conference on Nanotechnologies and Biomedical Engineering. ICNBME 2021. IFMBE Proceedings, vol 87. Springer, Cham. https://doi.org/10.1007/978-3-030-92328-0_12
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