West Virginia University, Morgantown, WV, USA. Journal of Cluster
Science (2008), 19(2), 391-399. Publisher: Springer, CODEN: JCSCEB
ISSN: 1040-7278. Journal written in English. AN 2008:557637 CAPLUS
Abstract
Controlled nanosized TiO2 particles of 4-10 nm were synthesized by a
simple hydrolysis method followed by calcination at different temps.
These particles were investigated using X-ray diffraction (XRD),
Photoacoustic/Fourier transform IR (PA/FTIR) spectroscopy, Raman
spectroscopy and ESR (ESR) spectroscopy to understand their structural
properties. X-ray diffraction studies confirmed the anatase phase of
the particles where as the PA/FTIR revealed the bands around 1,500 and
3,300 cm-1 due to -OH bands. ESR spectroscopic investigations carried
out from 5 to 300 K indicated the presence of an ESR line at g = 2.00
emerging from radical species. It is significant to note that the
intensity of the ESR line decreased as the particle size increased.
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