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Article

Integrated and Portable Probe Based on Functional Plastic Scintillator for Detection of Radioactive Cesium

1
Decommissioning Technology Research Division, Korea Atomic Energy Research Institute, Daejeon 34057, Korea
2
Department of Nuclear Engineering, Kyung-Hee University, Yongin-si 17104, Gyeonggi-do, Korea
3
Quantum Energy Chemical Engineering, University of Science and Technology (UST), 217 Gajeong-ro, Daejeon 34113, Korea
*
Authors to whom correspondence should be addressed.
Academic Editor: Antonio Di Bartolomeo
Appl. Sci. 2021, 11(11), 5210; https://doi.org/10.3390/app11115210
Received: 10 May 2021 / Revised: 2 June 2021 / Accepted: 2 June 2021 / Published: 4 June 2021
The highly reliable and direct detection of radioactive cesium has gained potential interest due to in-situ detection and monitoring in environments. In this study, we elucidated an integrated and portable probe based on functional plastic scintillator for detection of radioactive cesium. A functional plastic scintillator with improved detection efficiency was fabricated including CdTe (cadmium telluride) material. Monolith-typed functional plastic scintillator having a diameter of 50 mm and a thickness of 30 mm was manufactured by adding 2,5-diphenyloxazole (PPO, 0.4 wt%), 1,4 di[2-(5phenyloxazolyl)]benzene (POPOP, 0.01 wt%), and CdTe (0.2 wt%) materials in a styrene-based matrix. To evaluate the applicability of the plastic scintillator manufactured to in-situ radiological measurement, an integrated plastic detection system was created, and the measurement experiment was performed using the Cs-137 radiation source. Additionally, detection efficiency was compared with a commercial plastic scintillator. As results, the efficiency and light yield of a functional plastic scintillator including CdTe were higher than a commercial plastic scintillator. Furthermore, the remarkable performance of the functional plastic scintillator was confirmed through comparative analysis with Monte Carlo simulation. View Full-Text
Keywords: detection; integrated portable probe; Cs-137; plastic scintillator; simulation detection; integrated portable probe; Cs-137; plastic scintillator; simulation
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MDPI and ACS Style

Min, S.; Kang, H.; Seo, B.; Roh, C.; Hong, S.; Cheong, J. Integrated and Portable Probe Based on Functional Plastic Scintillator for Detection of Radioactive Cesium. Appl. Sci. 2021, 11, 5210. https://doi.org/10.3390/app11115210

AMA Style

Min S, Kang H, Seo B, Roh C, Hong S, Cheong J. Integrated and Portable Probe Based on Functional Plastic Scintillator for Detection of Radioactive Cesium. Applied Sciences. 2021; 11(11):5210. https://doi.org/10.3390/app11115210

Chicago/Turabian Style

Min, Sujung, Hara Kang, Bumkyung Seo, Changhyun Roh, Sangbum Hong, and Jaehak Cheong. 2021. "Integrated and Portable Probe Based on Functional Plastic Scintillator for Detection of Radioactive Cesium" Applied Sciences 11, no. 11: 5210. https://doi.org/10.3390/app11115210

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