The impact of fluorescent dyes on the performances of polystyrene-based plastic scintillators

To investigate the influence of both the first luminescent additive and the wavelength-shifter on the performance of plastic scintillator, a series of polystyrene-based scintillator had been prepared by thermal polymerization. Three first luminescent additives (PPO, p-TP and b-PBD) and four waveleng...

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Bibliographic Details
Published in:Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment Accelerators, spectrometers, detectors and associated equipment, 2016-11, Vol.835, p.136-141
Main Authors: Zhu, Jun, Deng, Cheng, Jiang, Huimin, Zheng, Zhanlong, Gong, Rui, Bi, Yutie, Zhang, Lin, Lin, Runxiong
Format: Article
Language:English
Subjects:
Fluorescence intensity
Fluorescent dyes
Light yield
Plastic scintillator
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Summary:To investigate the influence of both the first luminescent additive and the wavelength-shifter on the performance of plastic scintillator, a series of polystyrene-based scintillator had been prepared by thermal polymerization. Three first luminescent additives (PPO, p-TP and b-PBD) and four wavelength-shifters (POPOP, Bis-MSB, Me-MSB and DPA) were added to the scintillators respectively. The comparison results showed that PPO and POPOP were the most adequate fluorescent dyes for the polystyrene-based plastic scintillator. Moreover, with the increase of the concentration of PPO and POPOP, the fluorescence intensity and light yield were increased firstly and then decreased. The plastic scintillator containing 2% PPO and 0.02% POPOP had the highest fluorescence intensity and light yield.
ISSN:0168-9002
1872-9576
DOI:10.1016/j.nima.2016.08.018