Ultrasonic preparation of mesoporous titanium dioxide nanocrystalline photocatalysts and evaluation of photocatalytic activity
作者： Jiaguo Yu , Minghua Zhou , Bei Cheng , Huogen Yu , Xiujian Zhao
DOI: 10.1016/J.MOLCATA.2004.10.012
关键词:
摘要: Abstract Mesoporous titanium dioxide nanocrystalline powders were synthesized by ultrasonic-induced hydrolysis reaction of tetrabutyl titanate (Ti(OC 4 H 9 ) in pure water without using any templates or surfactants. The as-prepared samples characterized with X-ray diffraction (XRD) and N 2 adsorption–desorption measurements. photocatalytic activity the was evaluated probe reaction: oxidation mixture formaldehyde acetone at room temperature. It found that products ultrasonic method composed anatase brooktie phases. prepared is higher than commercial Degussa P25 conventional method.
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