Photoluminescence Properties of Eu(TTA)3(Ph3PO)2
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BORDIAN, Olga, VERLAN, Victor, YOVU, M., CULEAC, Ion, ZUBAREVA, Vera, ENACHESCU, Marius, BOJIN, Dionezie, SIMINEL, Anatolii. Photoluminescence Properties of Eu(TTA)3(Ph3PO)2. In: IFMBE Proceedings: . 5th International Conference on Nanotechnologies and Biomedical Engineering, Ed. 5, 3-5 noiembrie 2021, Chişinău. Chişinău: Pontos, 2022, Ediția 5, Vol.87, pp. 84-91. ISSN 16800737. DOI: https://doi.org/10.1007/978-3-030-92328-0_12
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IFMBE Proceedings
Ediția 5, Vol.87, 2022
Conferința "Conference on Nanotechnologies and Biomedical Engineering"
5, Chişinău, Moldova, 3-5 noiembrie 2021

Photoluminescence Properties of Eu(TTA)3(Ph3PO)2

DOI: https://doi.org/10.1007/978-3-030-92328-0_12

Pag. 84-91

Bordian Olga1, Verlan Victor1, Yovu M.1, Culeac Ion1, Zubareva Vera2, Enachescu Marius3, Bojin Dionezie3, Siminel Anatolii1
 
1 Institute of Applied Physics,
2 Institute of Chemistry,
3 University Politehnica of Bucharest
 
Proiecte:
 
Disponibil în IBN: 29 ianuarie 2022


Rezumat

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+ ion5D0 →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. 

Cuvinte-cheie
Coordination compound, Eu3 ion, Life time, photoluminescence