Research Article

Facile Synthesis of Nanostructured Anatase Titania with Controllable Morphology via Oxidation of TiC with Hydrogen Peroxide

Figure 1

(a) TEM image for a powder of polytitanic acid with oxalate ligands obtained after the oxidation of TiC with H2O2 for 3 hours. (b) TEM image for a powder of polytitanic acid with oxalate ligands obtained after the oxidation of TiC with H2O2 for 7 hours. Inset is the SAED pattern, showing amorphous state of the acidic powder. (c) TEM image and RT XRD pattern (inset) for the nanostructured anatase TiO2 obtained by annealing the amorphous acidic powder in (b) at 500°C for 1 hour. (d) HRTEM image for one of the anatase nanocrystals in (c). Inset is the corresponding FFT of the HRTEM image, in which the bright points can be well indexed to the anatase structure.
(a)
(b)
(c)
(d)