Direct synthesis of monodispersed ZnO nanoparticles in an aqueous solution |
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| Authors: | Minggang Li Xiaotang Lv Fang Sun Zichen Wang |
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| Affiliation: | a College of Chemistry, Jilin University, Changchun, 130023, PR China
b Institute of Materials Science and Engineering, Henan Polytechnic University, Jiaozuo 454000, PR China |
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| Abstract: | Monodispersed ZnO nanoparticles with mesopores were successfully prepared via a simple route through the transformation of Zn(NH3)42+ precursor in the presence of sodium oleate and hydrazine at 80 °C with the pH of 8.5. Hydrazine and sodium oleate were used to control the size at 30-60 nm and to improve dispersion properties of ZnO nanoparticles. The samples were characterized by TEM, XRD, IR and TG-DTA, and the results suggest that the grains are composed of ZnO and a small quantity of oleate. The oleate plays an important role in preventing the ZnO nanoparticles from aggregating. |
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| Keywords: | Monodispersity ZnO nanoparticles Direct synthesis Sodium oleate Hydrazine |
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