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Production and optical characterisation of blended Polyethylene Terephthalate (PET)/Polyethylene Naphthalate (PEN) scintillator samples

In Particle and Nuclear Physics research and related applications, organic scintillators provide a cost-effective technology for the detection of ionising radiation. The next generation of experiments in this field is driving fundamental research and development on these materials, demanding improve...

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Published in:arXiv.org 2024-07
Main Authors: P Conde Muíño, Covas, J A, Gomes, A, Gurriana, L, Machado, R, Martins, T, Mendes, P, Pedro, R, Pereira, B, Pontes, A J, Wilkens, H
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container_title arXiv.org
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creator P Conde Muíño
Covas, J A
Gomes, A
Gurriana, L
Machado, R
Martins, T
Mendes, P
Pedro, R
Pereira, B
Pontes, A J
Wilkens, H
description In Particle and Nuclear Physics research and related applications, organic scintillators provide a cost-effective technology for the detection of ionising radiation. The next generation of experiments in this field is driving fundamental research and development on these materials, demanding improved light yield, radiation hardness, and fast response. Common materials such as PEN and PET have been found to offer scintillation properties competitive to commercial alternatives without the use of dopants. Motivated by their complementarity in terms of light yield, radiation hardness, and response time, there is an increasing interest in investigating PET:PEN mixtures to ascertain whether they exhibit synergistic blending. This paper presents results from the systematic development of samples of PET, PEN, and PET:PEN mixtures with varied mass proportions. The manufacturing technique, involving injection moulding of granule raw material, is detailed. The effects of doping the polymer base substrate with fluorescent dopants are explored. Finally, the emission spectra of the different material compositions and their relative light output are presented.
doi_str_mv 10.48550/arxiv.2312.14790
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subjects Dopants
Emission spectra
Fluorescence
Injection molding
Ionizing radiation
Mixtures
Nuclear physics
Optical properties
Polyethylene
Polyethylene terephthalate
R&D
Radiation
Raw materials
Research & development
Scintillation counters
Substrates
title Production and optical characterisation of blended Polyethylene Terephthalate (PET)/Polyethylene Naphthalate (PEN) scintillator samples
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