Funct. Mater. 2014; 21 (4): 414-420.
Plastic scintillator enriched Gd-containing nanoparticles
Institute for Scintillating Materials, STC "Institute for Single Crystals" National Academy of Sciences of Ukraine, 60 Lenin Ave., 61001 Kharkiv, Ukraine
Polystyrene compositions containing GdF3 nanoparticles stabilized by ammonium di-hexadecyldithiophosphate and fatty aromatic phosphonic acid (C6H5-(CH2)n-PO(OH)2, n = 1, 2, 3) were obtained. It was shown that the nanoparticles surface modification by fatty aromatic phosphonic acids with high physical-chemical affinity to polystyrene significantly improves the nanoparticles dispersibility in polymer. The plastic scintillators with content of GdF3 nanoparticles to 5 wt. % without significant loss of the light yield were obtained.
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