Enhanced Light Yield in Organic Plastic Scintillators- Synthesis and Characterization of Novel Polymer Systems

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Periodicity:October - December'2024

Abstract

The enhancement of gamma scintillation light yield in organic plastic scintillators is of great interest for radiation detection applications, particularly in national security, medical imaging, and high-energy physics. This study presents novel polymer matrices incorporating thermally activated delayed fluorescence (TADF) compounds and alternative fluorene-based materials. These materials exhibit significantly improved scintillation efficiency over conventional polyvinyl toluene (PVT) and polystyrene-based scintillators. Comprehensive photophysical characterization, including photoluminescence and radioluminescence measurements, was performed using photomultiplier tubes (PMTs) and silicon photomultipliers (SiPMs). The results suggest that TADF-enhanced scintillators achieve superior energy harvesting capabilities, offering a promising route for the development of next-generation organic scintillators.

Keywords

Scintillation, Organic Scintillators, Gamma-ray Detection, Light Yield, Thermally Activated Delayed Fluorescence (TADF), Radiation Detection, Fluorene-based Polymers.

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