Preparation of Titanate Nanotubes by Hydrothermal Method
首发时间:2009-01-22
Abstract:Titanate nanotubes have been directly prepared by hydrothermally treating P25 powders in NaOH aqueous solution. Effect of calcination temperature on crystal phase, morphologies and specific surface area of the as-synthesized nanotubes has been investigated in detail. The Na2Ti3O7 tubular structure could be kept well even after calcination at 600℃ and began to transform to Na2Ti6O13 nanorods at around 645℃. The specific surface area of the as-synthesized nanotubes was 200.6 m2/g and reached to the maximum of 347.9 m2/g after calcination at 300℃ and then decreased sharply with the further increase of the calcination temperature.
keywords: titanate nanotube hydrothermal method calcination
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No.2822638882012326****
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