Synthesis of TiO2 nanoparticles by hydrolysis and peptization of titanium isopropoxide solution

By S. Mahshid, M. Askari, M. S. Ghamsari. 2006

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Abstract Titanium dioxide nanoparticles have been prepared by hydrolysis of titanium isopropoxide. Aqueous solution with various pH and peptizing the resultant suspension has been applied for preparation of the TiO2 nanopowder with narrow size distribution. The influence of pH on the particle size and morphology of prepared powder has been evaluated. Synthesized powder is characterized by X-ray diffraction, scanning electron microscopy (SEM) and transmission electron microscopy (TEM). Experimental results have shown that the as-prepared powders have entirely consisted with anatase crystalline phase. Only powder acquired from an acidic solution has fine particle size with spherical morphology. The anatase to rutile transformation occurred at temperatures lower than 600 °C.

Subfields: Materials Chemistry, Renewable Energy, Sustainability and the Environment

View Paper: https://www.semanticscholar.org/paper/72401b831ac8b19d1a17dbc7c6d6f87203d10fa4

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