Abstract
A novel method of loading phosphor materials in a plastic scintillator (here on PS) is developed to improve light output. In the present work, phosphor materials ZnS(Ag) and ZnO are loaded into the PS medium through the thin-film coating, and the effect of these phosphors on radiation detection is investigated. PS are prepared using polystyrene as the base, xylene as the solvent, PPO and POPOP as primary and secondary flours. ZnS(Ag) and ZnO phosphors are added to the PS in powder form to investigate their effect on luminescence and scintillation output. The thickness of the prepared scintillators is ∼250 ± 30 µm. Photoluminescence, radioluminescence, luminescence lifetime and their detection efficiencies for the typical alpha, beta, gamma and neutron sources are selected as the tools for investigation, and the synthesized scintillators’ performance is studied. The results obtained showed a notable increase in the performance and the outcomes are compared with commercially available PS.
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