Grain size modulation on BaTiO3 nanoparticles synthesized at room temperature |
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| Authors: | Jian Quan Qi Li Sun Xi Wei Qi Yu Wang Helen Lai Wah Chan |
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| Affiliation: | aDepartment of Materials Sciences & Engineering, Northeastern University at Qinhuangdao Branch, Qinhuangdao, Hebei 066004, PR China;bDepartment of Applied Physics and Materials Research Center, The Hong Kong Polytechnic University, Hong Kong, PR China |
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| Abstract: | A new method is developed to synthesize massive BaTiO3 nanoparticles directly at room temperature. With this method, the synthesis efficiency is improved and mass preparation can be realized. Also, the grain size of the as-prepared nanoparticles can be modulated from several nanometers to 40 nm through proper selection of the content of water and the alkanol chain length of the dispersant. It was found that smaller water content and a larger alkanol chain length of the dispersant will lead to a finer grain size. The mechanisms of the grain size modulation of BaTiO3 nanoparticles are also discussed. |
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| Keywords: | BaTiO3 Nanoparticle Room temperature Grain size |
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