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Photoluminescence in Composites Based on Low-Density Polyethylene and CaGa2S4:Eu2+ Phosphor
Abstract
The excitation spectra and photoluminescence (PL) spectra, as well as the luminescence kinetics of composites based on low-density polyethylene with different contents of CaGa2S4:Eu2+ were studied. It was shown that the PL intensity is due to the 4f65d→4f7 transition of Eu2+ ions and maximal at the filler concentration of 7 vol.%. It was shown that the dependence of the PL intensity on the excitation power density up to 0.3 W/cm2 is linear, which indicates the possibility of using these phosphors as radiation sources in the visible range of the spectrum for various lighting systems.
About the Authors
O. B. Tagiyev
Institute of Physics of the Ministry of Science and Education of Azerbaijan;
Baku Branch of Lomonosov Moscow State University
Azerbaijan
Azerbaijan
Baku
T. D. Ibragimov
Institute of Physics of the Ministry of Science and Education of Azerbaijan
Azerbaijan
Azerbaijan
Baku
I. S. Ramazanova
Institute of Physics of the Ministry of Science and Education of Azerbaijan
Azerbaijan
Azerbaijan
Baku
E. A. Asadov
Institute of Physics of the Ministry of Science and Education of Azerbaijan
Azerbaijan
Azerbaijan
Baku
A. F. Nuraliyev
Institute of Physics of the Ministry of Science and Education of Azerbaijan
Azerbaijan
Azerbaijan
Baku
T. Ya. Orudzhev
Baku Branch of Lomonosov Moscow State University
Azerbaijan
Azerbaijan
Baku
E. V. Lutsenko
B. I. Stepanov Institute of Physics of the National Academy of Sciences of Belarus
Belarus
Belarus
Minsk
V. N. Pavlovskii
B. I. Stepanov Institute of Physics of the National Academy of Sciences of Belarus
Belarus
Belarus
Minsk
A. V. Danilchyk
B. I. Stepanov Institute of Physics of the National Academy of Sciences of Belarus
Belarus
Belarus
Minsk
G. P. Yablonskii
B. I. Stepanov Institute of Physics of the National Academy of Sciences of Belarus
Belarus
Belarus
Minsk
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Review
For citations:
Tagiyev O.B., Ibragimov T.D., Ramazanova I.S., Asadov E.A., Nuraliyev A.F., Orudzhev T.Ya., Lutsenko E.V., Pavlovskii V.N., Danilchyk A.V., Yablonskii G.P. Photoluminescence in Composites Based on Low-Density Polyethylene and CaGa2S4:Eu2+ Phosphor. Zhurnal Prikladnoii Spektroskopii. 2024;91(3):367-370. (In Russ.)
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