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Solid-state immobilisation of titanium dioxide nanoparticles onto nanoclay

Solid-state immobilisation of titanium dioxide nanoparticles onto nanoclay

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The impregnation of nanoclay with TiO2 was carried out by new and fast method. Nanoclay was submitted only to a single step molten salt process. Scanning electron microscopy showed that TiO2 nanoparticles precipitated over the nanoclay surface after treatment. Structural characterisation of nanocomposite by X-ray diffraction displayed the change of basal peak after even 1 min process at both temperatures. UV-visible spectroscopy showed the presence of TiO2. However, the band gap was not affected by process temperature and time. XRF graphs revealed that by increasing temperature and time of the molten salt process, the amount of loaded titanium dioxide on the nanoclays was enhanced. Through this quick process, an inexpensive nanocomposite with properties comparable with those from more elaborate processes is produced.

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