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Ultima descărcare din IBN: 2023-10-27 08:42 |
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535.33:543.4 (6) |
Propagare. Reflecţie. Refracţie. Absorbţie. Emisie (99) |
Metode de analiză spectrală. Metode de analiză optică (68) |
SM ISO690:2012 YOVU, M., VERLAN, Victor, CULEAC, Ion, BORDIAN, Olga, ZUBAREVA, Vera, BULHAK, Ion, ENACHESCU, Marius, SIMINEL, Nikita, SIMINEL, Anatolii. Coordination complex [Eu(μ2-OC2H5)(btfa)(NO3) (phen)]2·phen with high luminescent efficiency. In: Moldavian Journal of the Physical Sciences, 2021, nr. 1(20), pp. 73-83. ISSN 1810-648X. DOI: https://doi.org/10.53081/mjps.2021.20-1.06 |
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Moldavian Journal of the Physical Sciences | ||||||
Numărul 1(20) / 2021 / ISSN 1810-648X /ISSNe 2537-6365 | ||||||
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DOI:https://doi.org/10.53081/mjps.2021.20-1.06 | ||||||
CZU: 535.33:543.4 | ||||||
Pag. 73-83 | ||||||
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Rezumat | ||||||
Experimental results on the bis[(μ2-etoxi)(benzoyl trifluoroacetonato)(nitrato)(1,10-phenantroline)europium(III)]1,10-phenantroline europium(III) coordination complex (hereafter, [Eu(μ2-OC2H5)(btfa)(NO3)(phen)]2·phen) are described. The complex is characterized by photoluminescence (PL) and infrared spectroscopy. Photoluminescence spectra of the complex exhibit strong emission with specific narrow emission bands associated with the 5D0→7Fj (j = 0–4) transitions. The pattern of emission band splitting and the luminescence time decay suggest the presence of at least two different sites of the Eu3+ ion in a low-symmetry environment. The absolute PL quantum yield of the complex is determined to be 49.2%. |
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Cuvinte-cheie rare-earth compounds, europium (III) complex, Luminescence, Quantum yield, compuși de pământ rar, complex Europium (III), luminescență, randament cuantic |
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