Abstract
Luminescent composites based on SiO2 matrices synthesized using the sol-gel method and organic scintillators PPO and o-POPOP are produced, and their optical, luminescent, and scintillation characteristics are studied. It is shown that these composites generate an intense photoluminescence signal, possess a nanosecond decay time, and have a transparency in the range of 400–700 nm of no less than 70%. The absolute light output during excitation by α radiation with an energy of 5.46 MeV is 4400–5100 photon/MeV, and the amplitude resolution is 27–32%.
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Original Russian Text © O.G. Vyagin, I.I. Bespalova, A.A. Masalov, O.V. Zelenskaya, V.A. Tarasov, Yu.V. Malyukin, 2014, published in Pis’ma v Zhurnal Tekhnicheskoi Fiziki, 2014, Vol. 40, No. 21, pp. 38–45.
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Vyagin, O.G., Bespalova, I.I., Masalov, A.A. et al. Luminescent and scintillation properties of composites based on sol-gel SiO2 matrices and organic scintillators. Tech. Phys. Lett. 40, 953–956 (2014). https://doi.org/10.1134/S1063785014110157
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DOI: https://doi.org/10.1134/S1063785014110157