Abstract
The nanocomposites of multiwalled carbon nanotubes (MWNTs)/titania (TiO2) were prepared by direct growth of TiO2 nanocrystals onto carboxyl-modified MWNTs under hydrothermal condition. The structure and morphology of TiO2 nanocrystals growing on MWNTs were tuned by adjusting acidity, reaction temperature, and reactant ratio. The results showed that a uniform layer of anatase TiO2 nanocrystals on MWNTs could be achieved at proper synthesis parameters. Flowerlike assemblage of rutile TiO2 nanocrystals was dispersed on MWNTs. The formation mechanism of MWNTs/TiO2 nanocomposites was further provided.
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This project was supported by Natural Scientific Research Innovation Foundation in Harbin Institute of Technology (HIT. NSRIF. 2009124) and the postdoctoral research foundation in Harbin Institute of Technology.
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Xu, H., Wang, J., Zhang, H. et al. The effects of synthesis procedures on the structure and morphology of multiwalled carbon nanotubes (MWNTs)/titania (TiO2) nanocomposites prepared by hydrothermal method. J Mater Sci 45, 6200–6205 (2010). https://doi.org/10.1007/s10853-010-4713-z
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DOI: https://doi.org/10.1007/s10853-010-4713-z