Abstract
AbstractFe2TiO5 powders are synthesized via nonhydrolytic sol‐gel method, and the effects of titanium sources on the synthesis and morphology of Fe2TiO5 powders are investigated via differential thermal analysis‐thermogravimetric (DTA‐TG), X‐ray diffraction (XRD), Transmission Electron Microscope (TEM), Field Emission‐Scanning Electron Microscope (FE‐SEM) and Fourier Transform Infrared (FT‐IR). It is beneficial for the low‐temperature synthesis of Fe2TiO5 to form Fe−O−Ti bonds when TiCl4 and Ti(OC4H9)4 are used as titanium source. But it is difficult to synthesize pure Fe2TiO5 phase and the powders synthesized are seriously agglomerated, when TiCl4 is used as titanium source. When Ti{OCH(CH3)2}4 is used as the titanium source, Fe2TiO5 phase can not be synthesized until 800 °C, which is due to Fe−O−Ti bond does not form in the xerogels. Fe2TiO5 powders prepared with Ti(OC4H9)4 as titanium source are small in particles size of 100–200 nm with high dispersion and element uniformity.
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