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J. Korean Ceram. Soc. > Volume 46(1); 2009 > Article
Journal of the Korean Ceramic Society 2009;46(1): 1.
doi: https://doi.org/10.4191/kcers.2009.46.1.001
Fabrication of Ni-AC/TiO2Composites and their Photocatalytic Activity for Degradation of Methylene Blue
Won-Chun Oh, Joo-Hee Son, Kan Zhang, Ze-Da Meng, Feng-Jun Zhang, Ming-Liang Chen
Department of Advanced Materials & Science Engineering, Hanseo University
Activated carbon modified with nickel (Ni-AC) was employed the for preparation of Ni-activated carbon/$TiO_2$ (Ni-AC/$TiO_2$) composites. The $N_2$ adsorption data showed that the composites had a decreased surface area compared with pristine AC. This indicated blocking of the micropores on the surface of the AC, which was further supported by observation via SEM. XRD results showed that the Ni-AC/$TiO_2$ composite contained a mixed anatase and rutile phase while the untreated AC/$TiO_2$ contained only a typical single and clear anatase phase. EDX results showed the presence of C, O, and Ti with Ni peaks on the composites of Ni-AC/$TiO_2$. Subsequently, the photocatalytic effects on methylene blue (MB) were investigated. The improved decomposition of MB showed the combined effects of adsorptions and photo degradation. In particular, composites treated with Ni enhanced the photo degradation behaviors of MB.
Key words: Activated carbon, Titanium dioxide, Nickel, Photo degradation, SEM, XRD
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