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. 2011 Oct;69(10):1475-8.
doi: 10.1016/j.apradiso.2011.05.022. Epub 2011 May 24.

Plastic scintillators with β-diketone Eu complexes for high ionizing radiation detection

A F Adadurov  1 , P N Zhmurin, V N Lebedev, V N Kovalenko
Affiliations

Plastic scintillators with β-diketone Eu complexes for high ionizing radiation detection

A F Adadurov et al. Appl Radiat Isot. 2011 Oct.

Abstract

Luminescent and scintillation properties of polystyrene-based plastic scintillators with β-diketone Eu complexes are investigated. A scintillator with dibenzoylmethane Eu complex containing two phenyl groups demonstrates the maximum scintillating efficiency. It is shown that plastic scintillators efficiency is dramatically decreased if β-diketone derivatives contain no phenyl groups as substituents. This fact can be explained by exciplex mechanism of energy transfer from a matrix to Eu complex.

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