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3. Photoluminescence of Low-Density Polyethylene Composites with the CaGa2S4:Eu2+ Phosphor.

Author

Tagiev, O. B., Ibragimov, T. D., Ramazanov, I. S., Asadov, E. A., Nuraliyev, A. F., Orudzhev, T. Ya., Lutsenko, E. V., Pavlovskii, V. N., Danilchyk, A. V., and Yablonskii, G. P.

Subjects
LOW density polyethylene, VISIBLE spectra, PHOTOLUMINESCENCE, EXCITATION spectrum, PHOSPHORS, LUMINESCENCE, RADIATION sources, POWER density
Abstract

A study was carried out on the luminescence excitation spectra and photoluminescence (PL) spectra as well as the luminescence kinetics of low-density polyethylene composites with different contents of CaGa2S4:Eu2+ phosphor filler. The phospholuminescence was attributed to the 4f65d → 4f7 transition of the Eu3+ ion and was greatest when the filler concentration was 7 vol.%. The dependence of the PL intensity on the excitation power density up to 0.3 W/cm2 was found to be linear, indicating that these phosphors can be used as visible radiation sources in various lighting systems. [ABSTRACT FROM AUTHOR]

Published
2024
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