Chemical and microstructural properties of titanium dioxide synthesized by sol-gel procedure (CROSBI ID 77666)
Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija
Podaci o odgovornosti
Musić, Svetozar ; Gotić, Marijan ; Ivanda, Mile ; Popović, Stanko ; Turković, Aleksandra ; Trojko, Rudolf ; Sekulić, Andreja ; Furić, Krešimir
engleski
Chemical and microstructural properties of titanium dioxide synthesized by sol-gel procedure
Nanosized titanium dioxide powders were prepared using sol-gel procedure. The selected colloidal suspensions were stabilized with polyethylene glycol. This polymer prevented sintering of TiO_2 particles during the calcination of the starting material. X-ray powder diffraction showed that the samples, obtained up to 773 K , were a mixture of anatase and brookite. In the samples obtained at 1123 K and higher temperatures, rutile as a single phase was detected. The TGA/DTA curves were dependent on the preparation of TiO_2 samples. The samples were also characterized by Fourier transform infrared spectroscopy and laser Raman spectroscopy.
nanosized TiO_2; sol-gel; x-ray powder diffraction; TGA/DTA; FT-IR; Raman scattering
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Podaci o izdanju
B47 (1)
1997.
33-40-x
objavljeno
0921-5107