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4 April 2005 Optical properties of the Eu(III)-La(III)-complex-doped polyolefine film and rod samples
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The work is devoted to luminescent properties of trivalent lanthanide complexes dispersed in thermoplastic host matrices. Polyethylene-based film and polypropylene-based rod both doped with these complexes were manufactured using an extrusion technique. Two kinds of dopants were used: Eu(III)-thenoyltrifluoroacetone-1,10-phenanthroline complex (Eu(III)) and Eu(III)-La(III)-1,10-phenanthroline complex (Eu(III)-La(III)). Comparison was made between these samples regarding absorption, excitation, emission and a lifetime of luminescence. Dependence of emission intensity on the excitation energy was determined. Emission spectra of the films were studied at room and helium temperatures. Optical properties of Eu(III) samples are different from Eu(III)-La(III) samples. Significant difference in spectra of these two types of samples may be attributed to the La(III) action.
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Roman Pogreb, Oleg Popov, Vlad Lirtsman, Oleg Pyshkin, Alexander Kazachkov, Albina Musin, Binyamin Finkelshtein, Yuri Shmukler, Dan Davidov, and Edward Bormashenko "Optical properties of the Eu(III)-La(III)-complex-doped polyolefine film and rod samples", Proc. SPIE 5723, Optical Components and Materials II, (4 April 2005);

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