Effect of different conditions on the size and quality of titanium dioxide nanoparticles synthesized by a reflux process

Effect of different conditions on the size and quality of titanium dioxide nanoparticles... In the work discussed in this paper, titanium dioxide (TiO2) nanoparticles with the anatase structure were synthesized by use of a reflux technique under different conditions. Titanium(IV) isopropoxide (TTIP), in ethanol–methanol solutions, was used as precursor. Prepared TiO2 powders were characterized by XRD, SEM, and TEM analysis. Different conditions, for example reactant concentration (TTIP:MeOH:EtOH:H2O), reflux time and temperature, and calcination temperature, were changed to achieve to best nanocrystallite material. It was found that variation of all these conditions could strongly affect crystallinity, morphology, and crystallite size. The size and crystallization of nanocrystallites, and their uniformity, were controlled by changing these conditions. The crystallite sizes of nanoparticles, estimated by use of the Scherrer formula, were from 9 to 27 nm. TiO2 nanoparticles of minimum size were obtained by use of minimum reflux and calcination temperatures. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Research on Chemical Intermediates Springer Journals

Effect of different conditions on the size and quality of titanium dioxide nanoparticles synthesized by a reflux process

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Publisher
Springer Netherlands
Copyright
Copyright © 2013 by Springer Science+Business Media Dordrecht
Subject
Chemistry; Catalysis; Physical Chemistry; Inorganic Chemistry
ISSN
0922-6168
eISSN
1568-5675
D.O.I.
10.1007/s11164-013-1311-0
Publisher site
See Article on Publisher Site

Abstract

In the work discussed in this paper, titanium dioxide (TiO2) nanoparticles with the anatase structure were synthesized by use of a reflux technique under different conditions. Titanium(IV) isopropoxide (TTIP), in ethanol–methanol solutions, was used as precursor. Prepared TiO2 powders were characterized by XRD, SEM, and TEM analysis. Different conditions, for example reactant concentration (TTIP:MeOH:EtOH:H2O), reflux time and temperature, and calcination temperature, were changed to achieve to best nanocrystallite material. It was found that variation of all these conditions could strongly affect crystallinity, morphology, and crystallite size. The size and crystallization of nanocrystallites, and their uniformity, were controlled by changing these conditions. The crystallite sizes of nanoparticles, estimated by use of the Scherrer formula, were from 9 to 27 nm. TiO2 nanoparticles of minimum size were obtained by use of minimum reflux and calcination temperatures.

Journal

Research on Chemical IntermediatesSpringer Journals

Published: Jul 13, 2013

References

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