| The effect of carbon nanotubes functionalization on the properties of carbon nanotubes-TiO2 nanocomposite |
| Paper ID : 1591-UFGNSM-FULL |
| Authors: |
|
Hessam Shahbazi1, Saeed Sheibani *2, Alireza Shafei3 1Shaghayegh building, Artesh boulevard, Aghdasiye, Tehran, Iran 2Assistant Professor, Metallurgy and Materials Engineering 31439956141 |
| Abstract: |
| The main aim of this study is to investigate the morphology and structure of multi-wall carbon nanotubes-TiO2 nanocomposite, obtained by an in situ sol-gel process. The synthesized nanocomposite powders were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM) and UV-visible diffuse reflectance spectra (DRS). The effect of functionalizing of carbon nanotube on the properties was studied. XRD results showed amorphous structure before calcination. Also, anatase phase TiO2 with crystallite sizes of about 80 nm was formed after calcination at 400 °C. The SEM observations indicate that the different TiO2 distributions on the carbon nanotube surfaces. As a result, well dispersed TiO2 microstructure on the surface of carbon nanotubes was observed after functionalizing, while compact and large aggregated particles were found without functionalizing. The average thickness of uniform and well-defined coated TiO2 layer was in the range of 30-40 nm. This would determine reflective properties and band gap energies of nanocomposite powders. |
| Keywords: |
| TiO2, Carbon nanotube, Sol-gel, Nanocomposite. |
| Status : Paper Accepted (Poster Presentation) |
