Abstract
In this study, porous titania nanoparticles were synthesized by sol–gel template method, using titanium (IV) tetraisopropoxide as a starting precursor and isopropanol as a solvent. Different commercial activated carbons were used as templates at 10wt% in titania sol. The templates were completely removed during the calcination in air at 500°C for 3h, forming porous titania. Nanocrystalline anatase titania with specific surface area as high as 700m2/g was successfully obtained in this study. This specific surface area is one of the highest values reported in the literature under similar sol–gel conditions.
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