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Citation: YU Yang-Yang, YU Mei-Yan, ZHANG Yue, SUN Wei-Wei, LIU Ying. Preparation and Mechanism of N-Doped TiO2 Powders[J]. Chinese Journal of Inorganic Chemistry, ;2013, 29(8): 1657-1662. doi: 10.3969/j.issn.1001-4861.2013.00.284 shu

Preparation and Mechanism of N-Doped TiO2 Powders

  • 1.

    Institute of Material Science and Engineering, Ocean University of China, Qingdao 266100, China

  • Received Date: 26 December 2012
    Available Online: 6 May 2013

    Fund Project: 国家自然科学基金(No.51072188,No.21203171)资助项目。 (No.51072188,No.21203171)

  • N-doped TiO2 powers have been prepared using tetrabutyl titanate and urea. The properties of phase/size/absorbance were characterized by means of X-ray diffraction (XRD), transmission electron microscopy (TEM), UV-Vis absorption spectroscopy. The results indicate that particle size of N-doped TiO2 decreased and the absorption effect increased greatly. In order to prove the experimental results, we studied the doping mechanism using DFT. The band gap has been decreased effectively because of doping. Compared with substitutional N-doped TiO2, interstitial N-doped TiO2 is more beneficial to the light absorption.
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