- Available Technology
Homeland security, nuclear forensics; nuclear safeguards
These synthesized fluorophore compounds show superior performance as plastic scintillators when dissolved in polystyrene or polyvinyltoluene matrices. Different optical and physical properties were tested to evaluate their efficiency in preparing bright plastic scintillating polymers for radiation detection and measurement. These included molar absorptivity, absorption and emission wavelengths and finally their quantum yield relative to a reference material. The compounds exhibit 3x high photoluminescence and 5x high luminosity in comparison to existing analogs. The effect of luminosity enhancement allows for significant reduction in fluorophore concentration in the plastic scintillator material without jeopardizing their properties. It also allows application of these fluorophores in neutron/gamma pulse shape discrimination materials at a reduced concentration in comparison to the existing composites. In addition, the chemical structure of the suggested fluorophores allows their functionalization for further covalent bounding to the matrix thus enhancing chemical and environmental stability of the scintillating material.
• Utilizes simple chemical synthesis with common compounds, allowing industrial scale-up
• Uses reduced concentration and exhibits higher luminosity, making it highly cost effective compared to currently commercially-available organic fluorophores
• Higher luminosity results in higher efficiency with enhanced detector stability against hazard chemical environment
Timothy Devol, Valery Bliznyuk, Ayman Seliman, Nadezhda Derevyanko, Alexander Ishchenko
Technology Commercialization Officer email@example.com
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