Radiolytic Production of Ag-Containing Nanocomposite Colloids in Presence of Lithium Ions
Abstract:This research is motivated to prepare homogeneous and less aggregated nanostructured composites for potential scintillators. Poly ethylene glycol (PEG)-protected ∼5 nm and ∼29 nm sized Ag nanoparticles and Ag-Zn nanocomposites were relatively prepared by electron-beam irradiation on Ag+ and Zn2+ solutions with the aids of stabilizers and 6Li+ at room temperature under atmospheric pressure. Especially the 6Li+, which was used for a neutron absorption purpose, played a part the Ag-Zn nanocolloids to less aggregate in the aqueous phase by making partial complexes with stabilizers containing Ag-Zn. To be a potential scintillator, the Ag-Zn nanocomposites have to show an optical response to radiation. Therefore, optical luminescence, which resembles the concept of detecting light without the requirement of a neutron absorbent (convertor) for a neutron scitillator, of the nanocomposites was tested.
Document Type: Research Article
Publication date: 2012-07-01
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