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Synthesize TiO2 microspheres self-assembled from nanorods via hydrothermal treatment

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Abstract

The TiO2 microspheres were deposited on the glass substrates under certain conditions via hydrothermal reaction using 0.15 mol·L−1 TiCl3 saturated NaCl aqueous solution adding urea as an additive. The TiO2 is characterized rutile by results of SEM, TEM and XRD techniques, the TiO2 microspheres are large scale assembled from TiO2 nanorods. The affections on the products by the factors of the contents of urea being an additive (the key techniques), the reaction temperature, the reaction time and the concentration of TiCl3 were studied. The optimum condition was found, and the mechanism of reactions was discussed also.

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Authors and Affiliations

  1. Shangrao Teachers’ College, Shangrao, 334001, China

    Zhang YiBing

  2. National Center for Nanoscience and Nanotechnology, Beijing, 100080, China

    Zhang YiBing & Jiang Lei

  3. Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100080, China

    Feng XinJian & Jiang Lei

Authors
  1. Zhang YiBing
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  2. Feng XinJian
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  3. Jiang Lei
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Corresponding authors

Correspondence to Zhang YiBing or Jiang Lei.

Additional information

Supported by the State Key Project for Fundamental Research (G199064504) and the Special Research Foundation of the National Natural Science Foundation of China (Grant Nos. 90306011 and 20341003)

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Zhang, Y., Feng, X. & Jiang, L. Synthesize TiO2 microspheres self-assembled from nanorods via hydrothermal treatment. SCI CHINA SER B 50, 175–178 (2007). https://doi.org/10.1007/s11426-007-0029-5

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  • DOI: https://doi.org/10.1007/s11426-007-0029-5

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