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Photo-catalytic Activity of CNT-TiO2 Nano Complex Prepared from Titanium Oxysulfate and Carbon Nanotube by Hydrosis  

Kim, Sang Jin (Department of Fine Chemical Engineering and Applied Chemistry, Chungnam National University)
Jung, Min-Jung (Department of Fine Chemical Engineering and Applied Chemistry, Chungnam National University)
Lee, Young-Seak (Department of Fine Chemical Engineering and Applied Chemistry, Chungnam National University)
Publication Information
Applied Chemistry for Engineering / v.21, no.1, 2010 , pp. 58-62 More about this Journal
Abstract
CNT-$TiO_{2}$ nano complexes were prepared from $TiOSO_4$ and multi-walled carbon nanotube (MWCNT) by hydrolysis. The CNTs were dispersed uniformly with anatase $TiO_{2}$ in the prepared $TiO_{2}$-CNT complexes. The increasing MWCNT ratio leads to increased crystalline carbon and O/Ti ratio. The decomposition degree of methylene blue was experienced according to UV radiation time for study adsorption and photocatalytic activity. The samples having high MWCNT ratio show high adsorption and photodegradation. The high specific surface area, functional group having oxygen, low band gap energy, high electric conductivity, high volume to surface ratio, uniform structure and properties of MWCNT assist photocatalytic activity of CNT-$TiO_{2}$ complex.
Keywords
titanium dioxide; photocatalyst; carbon nanotubes; complex;
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