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Characterization and Preparation of Well-Dispersed TiO2 Nanoparticles by Ultrasonic Microemulsion Method
Abstract:
Well-dispersed TiO2 nanoparticles were successfully prepared ultrasonic microemulsion method in this paper. The morphology and microstructure of the products were characterized by the laser particle size analyzer, Fourier transform infrared spectroscopy (FT-IR), X-ray diffractometer (XRD), differential scanning calorimeter (DSC) and transmission electron microscope (TEM). It was found that the TiO2 nanoparticles obtained from this method have well-proportioned size distributions; the surfactant (CTAB) molecule was adsorbed on the surface of TiO2 nanoparticles precursor, which is favorable for the dispersion of TiO2 nanoparticles; the TiO2 nanoparticles calcined was a crystal of the cubic structure. In addition, the mechanism on the formation of the TiO2 nanoparticles was also proposed in this paper.
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1806-1810
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February 2012
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© 2012 Trans Tech Publications Ltd. All Rights Reserved
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