Synthesis of nanocrystalline TiO 2 at 100 °C

A simple gel to crystal conversion route has been followed for the preparation of TiO 2 at 80–100 °C under refluxing conditions. Freshly prepared titanium hydroxide gel is allowed to crystallize under refluxing and stirring conditions for 6–12 h. Formation of nanocrystallites of anatase is confirmed...

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Bibliographic Details
Published inMaterials letters Vol. 58; no. 17; pp. 2310 - 2313
Main Authors Dhage, Sanjay R, Choube, Vandana D, Samuel, Violet, Ravi, V
Format Journal Article
LanguageEnglish
Published Elsevier B.V 2004
Subjects
Ceramics
Chemical synthesis
Oxides
Thermogravimetric analysis (TGA)
X-ray diffraction
Thermogravimetric analysis (TGA)
X-ray diffraction
Oxides
Ceramics
Chemical synthesis
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Summary:A simple gel to crystal conversion route has been followed for the preparation of TiO 2 at 80–100 °C under refluxing conditions. Freshly prepared titanium hydroxide gel is allowed to crystallize under refluxing and stirring conditions for 6–12 h. Formation of nanocrystallites of anatase is confirmed by X-ray diffraction (XRD) study. The anatase phase converts into rutile when calcined at 700 °C for 12 h. Raman scattering experiments were also performed to confirm both anatase and rutile phases. Transmission electron microscope (TEM) investigations revealed that the average particle size is 10 nm for the anatase phase whereas it is 35 nm for the rutile polymorph.
ISSN:0167-577X
1873-4979
DOI:10.1016/j.matlet.2004.02.021