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Characteristics of plastic scintillators fabricated by a polymerization reaction

Three plastic scintillators of 4.5 cm diameter and 2.5-cm length were fabricated for comparison with commercial plastic scintillators using polymerization of the styrene monomer 2.5-diphenyloxazole (PPO) and 1,4-bis benzene (POPOP). Their maximum emission wavelengths were determined at 426.06 nm, 426.06 nm, and 425.00 nm with a standard error of 0.2% using a Varian spectrophotometer (Agilent, Santa Clara, CA, USA). | Characteristics of plastic scintillators fabricated by a polymerization reaction N u c l e a r E n g i n e e r i n g a n d T e c h n o l o g y 4 9 ( 2 0 1 7 ) 5 9 2 e5 9 7 Available online at ScienceDirect Nuclear Engineering and Technology journal homepage: www.elsevier.com/locate/net Original Article Characteristics of Plastic Scintillators Fabricated by a Polymerization Reaction Cheol Ho Lee, Jaebum Son, Tae-Hoon Kim, and Yong Kyun Kim* Department of Nuclear Engineering, Hanyang University, 222 Wangsimni-ro, Seongdong-gu, Seoul 04763, South Korea article info abstract Article history: Three plastic scintillators of 4.5 cm diameter and 2.5-cm length were fabricated for com- Received 27 April 2016 parison with commercial plastic scintillators using polymerization of the styrene monomer Received in revised form 2.5-diphenyloxazole (PPO) and 1,4-bis benzene (POPOP). Their maximum emission wave- 9 September 2016 lengths were determined at 426.06 nm, 426.06 nm, and 425.00 nm with a standard error of Accepted 3 October 2016 0.2% using a Varian spectrophotometer (Agilent, Santa Clara, CA, USA). Compton edge Available online 13 October 2016 spectra were measured using three gamma ray sources [i.e., cesium 137 (137Cs), sodium 22 (22Na), and cobalt 60 (60Co)]. Energy was calibrated by analyzing the Compton edge spectra. Keywords: The fabricated scintillators possessed more than 99.7% energy linearity. Light output was Compton Edge comparable to that of the BC-408 scintillator (Saint-Gobain, Paris, France). The fabricated Emission Wavelength scintillators showed a light output of approximately 59e64% of that of the BC-408 Light Output scintillator. Plastic Scintillator Copyright © 2016, Published by Elsevier Korea LLC on behalf of Korean Nuclear Society. This Polymerization is an open access article under the CC BY-NC-ND license (http://creativecommons.org/ licenses/by-nc-nd/4.0/). 1. Introduction have many .