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Title: 3D printable polyvinyltoluene-based plastic scintillators with pulse shape discrimination

Abstract

A feasibility of preparing bulk photopolymerized plastics scintillators that contain vinyltoluene with multifunctional monomers, pentaerythritol tetraacrylate is shown. This formulation offers a simple and fast way to prepare polyvinyltoluene-based plastics with efficient fast neutron/gamma pulse shape discrimination (PSD) within minutes. 30 wt% of 2,5-diphenyloxazole (PPO) was added in the mixtures of vinyltoluene and pentaerythritol tetraacrylate with different secondary dyes to understand the effect of dyes on the scintillation. Prepared resins were photopolymerized under different conditions, and the scintillation performance was compared to a commercially available standard, EJ-276. Additional functionality for thermal neutron sensitivity was introduced by the incorporation of 6Li and 6B nuclei. With optimized conditions, prepared plastics showed light output up to 90% relative to the same size of EJ-276. Here, the best plastic scintillators had PSD figures of merit (FoMs) up to 2.77 compared to 3.25 of EJ-276. The 3D-printability of the tested formulations was demonstrated.

Authors:
ORCiD logo [1];  [1];  [1];  [1]; ORCiD logo [1];  [2]; ORCiD logo [2]
+ Show Author Affiliations
  1. Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)
  2. Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
Publication Date:
Research Org.:
Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)
Sponsoring Org.:
USDOE National Nuclear Security Administration (NNSA); USDOE NA Office of Nonproliferation and Verification Research and Development (NA-22)
OSTI Identifier:
2005127
Report Number(s):
LLNL-JRNL-846754
Journal ID: ISSN 0168-9002; 1070816
Grant/Contract Number:  
AC52-07NA27344; AC05-00OR22725
Resource Type:
Accepted Manuscript
Journal Name:
Nuclear Instruments and Methods in Physics Research. Section A, Accelerators, Spectrometers, Detectors and Associated Equipment
Additional Journal Information:
Journal Volume: 1055; Journal ID: ISSN 0168-9002
Publisher:
Elsevier
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; Plastic scintillator; Polyvinyltoluene scintillator; Pulse shape discrimination; 3D printing; Neutron detection; Photopolymerization

Citation Formats

Kim, Yongwook, Zaitseva, Natalia, Ford, Michael J., Carman, Leslie, Glenn, Andrew, Febbraro, Michael, and Hausladen, Paul. 3D printable polyvinyltoluene-based plastic scintillators with pulse shape discrimination. United States: N. p., 2023. Web. doi:10.1016/j.nima.2023.168537.
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Kim, Yongwook, Zaitseva, Natalia, Ford, Michael J., Carman, Leslie, Glenn, Andrew, Febbraro, Michael, & Hausladen, Paul. 3D printable polyvinyltoluene-based plastic scintillators with pulse shape discrimination. United States. https://doi.org/10.1016/j.nima.2023.168537
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Kim, Yongwook, Zaitseva, Natalia, Ford, Michael J., Carman, Leslie, Glenn, Andrew, Febbraro, Michael, and Hausladen, Paul. Sun . "3D printable polyvinyltoluene-based plastic scintillators with pulse shape discrimination". United States. https://doi.org/10.1016/j.nima.2023.168537.
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@article{osti_2005127,
title = {3D printable polyvinyltoluene-based plastic scintillators with pulse shape discrimination},
author = {Kim, Yongwook and Zaitseva, Natalia and Ford, Michael J. and Carman, Leslie and Glenn, Andrew and Febbraro, Michael and Hausladen, Paul},
abstractNote = {A feasibility of preparing bulk photopolymerized plastics scintillators that contain vinyltoluene with multifunctional monomers, pentaerythritol tetraacrylate is shown. This formulation offers a simple and fast way to prepare polyvinyltoluene-based plastics with efficient fast neutron/gamma pulse shape discrimination (PSD) within minutes. 30 wt% of 2,5-diphenyloxazole (PPO) was added in the mixtures of vinyltoluene and pentaerythritol tetraacrylate with different secondary dyes to understand the effect of dyes on the scintillation. Prepared resins were photopolymerized under different conditions, and the scintillation performance was compared to a commercially available standard, EJ-276. Additional functionality for thermal neutron sensitivity was introduced by the incorporation of 6Li and 6B nuclei. With optimized conditions, prepared plastics showed light output up to 90% relative to the same size of EJ-276. Here, the best plastic scintillators had PSD figures of merit (FoMs) up to 2.77 compared to 3.25 of EJ-276. The 3D-printability of the tested formulations was demonstrated.},
doi = {10.1016/j.nima.2023.168537},
journal = {Nuclear Instruments and Methods in Physics Research. Section A, Accelerators, Spectrometers, Detectors and Associated Equipment},
number = ,
volume = 1055,
place = {United States},
year = {Sun Jul 16 00:00:00 EDT 2023},
month = {Sun Jul 16 00:00:00 EDT 2023}
}
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Journal Article:
Free Publicly Available Full Text
This content will become publicly available on July 16, 2024
Publisher's Version of Record
https://doi.org/10.1016/j.nima.2023.168537
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