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Received March 4, 2009
Accepted June 18, 2009
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This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/bync/3.0) which permits
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Sintering characteristics of TiO2 nanoparticles by microwave processing
Department of Chemical Engineering, University of Seoul, Seoul 130-734, Korea
jhkimad@uos.ac.kr
Korean Journal of Chemical Engineering, February 2010, 27(2), 645-650(6), 10.1007/s11814-010-0057-2
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Abstract
In many applications, sintering of particles is required to improve device efficiency. In particular, sintering of TiO2 nanoparticles attracts great attention because of growing of solar cell applications, and conventional sintering using an electrical furnace has been widely used for sintering of nanoparticles. In this study, conventional and microwave sintering processes were investigated to examine the possibility of application of microwave sintering method to TiO2 nanoparticles. Microwave sintering of TiO2 nanoparticles showed promising results compared with the conventional heat treatments in terms of surface area, crystalline phase, optical property and morphology. Considering the short sintering time, the microwave method could be more advantageous than the conventional sintering method in some application areas.
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