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Información tecnológica

On-line version ISSN 0718-0764


BASANTE-ROMO, Mónica J; BENAVIDES-GUERRERO, Jaime A  and  CAMARGO-AMADO, Rubén J. Synthesis and Characterization of the Nanomaterial TiO2-MWCNTs (Titanium Oxide- Multi-Walled Carbon Nanotubes). Inf. tecnol. [online]. 2016, vol.27, n.6, pp.153-162. ISSN 0718-0764.

The effect of adding functionalized and non-functionalized multiwall carbon nanotubes to nano-ceramic material by the sol-gel process of nanoceramic TiO2 were studied. The functionalization of multiwall carbon nanotubes using the method of carboxylation with HSO4-HNO3 and HCl was developed. Tetrabuthoxide Titanium, Ti(OBu)4, was the precursor used for the manufacture of TiO2. The hydrolysis and polycondensation reactions, in addition to the pre-calcined and calcined in the sol-gel process were followed and analyzed by Fourier Transform Infrared Spectroscopy (FTIR). TiO2 with multiwall carbon nanotubes mass fraction of 0.0%, 0.7%, 1.4% and 2.1% were obtained. For nanoindentation and microindentacion tests increase in hardness of 39% and increase of two times in the Young's modulus were observed. Structural details establishing uniformity and reduction in the size of multiwall carbon nanotubes were studied by Transmission Electron Microscopy (TEM).

Keywords : multiwall carbon nanotubes; titanium dioxide; functionalization; sol-gel process.

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