Ядерна фізика та енергетика Nuclear Physics and Atomic Energy   ISSN: 1818-331X (Print), 2074-0565 (Online)   Publisher: Institute for Nuclear Research of the National Academy of Sciences of Ukraine   Languages: Ukrainian, English   Periodicity: 4 times per year   Open access peer reviewed journal

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D. A. Yelisieiev¹, O. V. Yelisieieva^1,*, Yu. О. Нurkalenko¹, P. М. Zhmurin¹, V. D. Alekseev¹, R. P. Svoiakov<sup>2

1</sup> Institute of Scintillation Materials, STC "Institute for Single Crystals", National Academy of Sciences of Ukraine, Kharkiv, Ukraine
² Institute for Functional Materials Chemistry, STC "Institute for Single Crystals", National Academy of Sciences of Ukraine, Kharkiv, Ukraine

^*Corresponding author. E-mail address: osvidlo@i.ua

Abstract: Fluorinederivatives of 4'-phenyl-3-hydroxyflavone have been synthesized and used as activators for radiation-resistant plastic scintillators based on polystyrene. Plastic scintillators containing 1.0 wt. % of the corresponding activators were created. The spectral-luminescent and scintillation properties of the obtained materials were studied, and their radiation resistance was determined. It was shown that the use of fluorinederivatives of 4'-phenyl-3-hydroxyflavone enables the production of plastic scintillators with radiation resistance at the level of 490 kGy.

Keywords: 4'-phenyl-3-hydroxyflavone, activator, plastic scintillator, light yield, radiation hardness.

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