Composite micelle–SiO2 hybrid gels for neutron detection
2008
Abstract Micelle–SiO 2 hybrid gels were designed and prepared as solid-state neutron-detecting materials based on micelle self-assembly. An organic liquid scintillator was homogeneously co-doped in a neutron absorbing lithiated PEG–silica gel through a micelle system. For this purpose, nonionic and anionic surfactants were used to solubilize the organic scintillator. This blue light emitting ( λ em =413 at 340 nm excitation) neutron-detecting material with only a 0.1 wt% of a 6 Li + -doping showed a great response toward a neutron radiation as demonstrated in comparative investigation by using pulse-height spectra.
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