Synthesis of ultrafine TiO{sub 2} by citrate gel method
Journal Article
·
· Materials Research Bulletin
A gel was formed when a mixture of TiOCl{sub 2} and citric acid is heated on a water bath. An ultrafine powder of TiO{sub 2} in the anatase phase is formed, when the gel was decomposed at 623 K. The anatase phase is converted into rutile phase on annealing at higher temperatures >773 K. These powders are characterized by X-ray diffraction (XRD), transmission electron microscopy (TEM) and surface area measurements. The average particle size obtained for anatase phase is 3.5 nm whereas it is 45 nm for rutile phase.
- OSTI ID:
- 20883141
- Journal Information:
- Materials Research Bulletin, Journal Name: Materials Research Bulletin Journal Issue: 11-12 Vol. 38; ISSN MRBUAC; ISSN 0025-5408
- Country of Publication:
- United States
- Language:
- English
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