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 SM ISO690:2012YOVU, M., ANDRIESH, Andrei, BUZURNIUC, Svetlana, VERLAN, Victor, CARAMAN, Mihail, ZUBAREVA, Vera. Photoluminescence of composites based on Eu3+/TTFA and polymer SBMA. In: Journal of Optoelectronics and Advanced Materials, 2007, vol. 9, pp. 3265-3267. ISSN 1454-4164. |
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  Journal of Optoelectronics and Advanced Materials |
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| Volumul 9 / 2007 / ISSN 1454-4164 | ||||||
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| Pag. 3265-3267 | ||||||
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New composite material on the base of thienyltrifluoroacetonate (TTA) coordinated with trivalent europium ions without and with polymer from styrene and butylmethacrilate (1:1) (SBMA) was prepared. The visible emission spectra of the composites at room temperature and at T=78 K when excited with Ar-laser (λ=0.33 μm). For the Eu3+/TTA composite material some sharp emission bands located at 5795, 590, 596, 615 and 620 nm at T=300 K, and at 580, 593, 595, 614, 618, 651, 656, 694, 698, and 700 nm at T=78 K were detected. The emission bands centered at 580, 590, 615, 651, and 700 nm can be attributed to the spin forbidden f-f transitions 5D0 → 7Fi (i = 0,1,2,3 and 4), respectively. |
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| Cuvinte-cheie composites, Fluorescence, optical absorption, polymer, Rare-earth ion, thin film |
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