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Citation: DING Shi-Wen, WANG Li-Yong, DING Yu, ZHANG Mei-Hong, WANG Zhen-Xing. Microwave Synthesis and Photocatalysis of Nano-TiO₂ Mix-crystals[J]. Chinese Journal of Applied Chemistry, ;2006, 23(6): 651-654. shu

Microwave Synthesis and Photocatalysis of Nano-TiO₂ Mix-crystals

1.
College of Chemistry and Environmental Science, HeBei University, Baoding 071002

Corresponding author: DING Shi-Wen,
Received Date: 16 July 2005
Available Online: 5 January 2006
Fund Project: 河北省自然科学基金重点(503629)资助项目 (503629)

With TiCl₄ and urea as the raw materials,the mix-crystals of rutile and anatase TiO₂ were prepared at 100℃ by means of microwave irradiation method.The effect of pH on the ratio of the nanometer TiO₂ mix- crystal was discussed.The crystal structure was determined by XRD.TEM indicated that the TiO₂ was spherical particles,and the average diameter of the particles was 15 nm.The photocatalytic experiment showed that the mix-crystal material had better photocatalytic activity than the singleness TiO₂.The compound could completely degrade the blue dye in 50 min under the sunlight.
- nano-TiO₂,
- mix-crystal,
- microwave heating,
- photocatalysis
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Microwave Synthesis and Photocatalysis of Nano-TiO₂ Mix-crystals