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J. Korean Ceram. Soc. > Volume 45(11); 2008 > Article
Journal of the Korean Ceramic Society 2008;45(11): 651.
doi: https://doi.org/10.4191/kcers.2008.45.1.651
Photocatalytic Degradation of Methylene Blue by CNT/TiO2 Composites Prepared from MWCNT and Titanium n-butoxide with Benzene
Ming-Liang Chen, Feng-Jun Zhang, Won-Chun Oh
Department of Advanced Materials & Science Engineering, Hanseo University
In this study, CNT/$TiO_2$ composites were prepared using surface modified Multiwall carbon nanotube (MWCNT) and titanium n-butoxide (TNB) with benzene. The composites were characterized by nitrogen adsorption isotherms, scanning electron microscopy (SEM), X-ray diffraction (XRD), energy dispersive X-ray analysis (EDX), FT-IR spectra, and UV-vis absorption spectroscopy. The UV radiation induced photoactivity of the CNT/$TiO_2$ composites was tested using a fixed concentration of methylene blue (MB, $C_{16}H_{18}N_3S{cdot}Cl{cdot}3H_2O$) in an aqueous solution. Finally, it can be considered that the MB removal effect of the CNT/$TiO_2$ composites is not only due to the adsorption effect of MWCNT and photocatalytic degradation of $TiO_2$, but also to electron transfer between MWCNT and $TiO_2$.
Key words: CNT, TNB, SEM, XRD, UV, Photocatalytic decomposition
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