Structure characterization of Ag-Ga/poly(methyl methacrylate) nanoparticles |
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Authors: | Xu Guo Cai Zhang Xiao Mei Shi Jian Jun Ji Xiao Li Xing Hong Long |
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Affiliation: | Department of Chemical Engineering, Anhui University of Science and Technology, Huainan 232001, PR China. |
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Abstract: | The Ag-Ga/poly(methyl methacrylate) nanoparticles were prepared in-situ by emulsion polymerization method under ultrasonic irradiation without any initiators or metal reductant. HRTEM, EDS and XRD experiments were performed to characterize the nanoparticles. The results indicated that the nanocomposite particles possessed core-shell structure with diameters of 80-200 nm, as well as excellent monodispersity. The phenomenon that the polymer forms the shell via layer-by-layer self-assembly was found. XRD proved the existence of Ag0.72Ga0.28 and the probability of new Ag-Ga alloy because of two unknown diffraction peaks. |
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