Synthesis, characterization and properties of titanium dioxide obtained by hydrolytic method

Anastasiya S. Kutuzova, T. Dontsova
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引用次数: 14

Abstract

The titanium (IV) oxide powders were obtained by hydrolytic method with different ratio of the initial reagents. The synthesized TiO2 samples were analyzed by transmission electron microscopy, X-ray diffraction methods and Fourier transform infrared spectroscopy. The obtained titanium dioxide powders are nanocrystalline with unit size in the range of 300+600 nm. It was found that zero point charge decreases with the decreasing of the Titania precursor content. It was established that Titania precursor content significantly influences the phase composition of the powders and their adsorption and photocatalytic properties.
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水解法制备二氧化钛的合成、表征及性能
采用不同初始试剂配比水解法制备氧化钛粉体。采用透射电镜、x射线衍射和傅里叶变换红外光谱对合成的TiO2样品进行了分析。所制得的二氧化钛粉体为纳米晶,单位粒径在300 ~ 600 nm之间。零点电荷随钛前驱体含量的降低而降低。结果表明,二氧化钛前驱体含量对粉体的物相组成、吸附性能和光催化性能有显著影响。
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