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16 September 2005 Fabrication of plastic scintillators from hybrid nanocomposites via self-assembly
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Solid scintillators are gaining interest due to their increased applications in radiation detection. A series of sol-gel monoliths were prepared from polystyrene and 4,4'-bis(triethoxysilyl)biphenyl through a room-temperature sol-gel method based on π-π interactions. The hybrid organic-inorganic scintillating dye is serving not only as a scintillator but also as a silica precursor, which has the advantage of eliminating leaching of the fluorescent sensitizer from the matrix as well as enhancing the loading of the dye without causing phase separation. The photoluminescence studies of the gel samples show emission in the blue region. The efficiencies of these plastic scintillators were measured through detection of alpha particles.
© (2005) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Banu Kesanli, Hee-Jung Im, Suree S. Brown, and Sheng Dai "Fabrication of plastic scintillators from hybrid nanocomposites via self-assembly", Proc. SPIE 5922, Hard X-Ray and Gamma-Ray Detector Physics VII, 592207 (16 September 2005);

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