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J. Korean Ceram. Soc. > Volume 49(5); 2012 > Article
Journal of the Korean Ceramic Society 2012;49(5): 461.
doi: https://doi.org/10.4191/kcers.2012.49.5.461
Sn 함침-티타니아 나노입자와 나노튜브에 놓인 2-Chlorophenol 광 분해 성능
김현수, 이가영, 박선민1, 강미숙
영남대학교 화학과
1한국세라믹기술원 에너지효율소재팀
The Photocatalytic Decompositions of 2-Chlorophenol on the Sn-impregnated Titania Nanoparticles and Nanotube
Hyun Soo Kim, Gayoung Lee, Sun-Min Park1, Misook Kang
Department of Chemistry, Yeungnam University
1Korean Institutes of Ceramic Engineering & Technology (KICET)
ABSTRACT
This study focuses on the difference of photocatalytic activity depending on crystal structure type of nanoparticles ($TiO_2$) and nanotubes (TNT). The photodecomposition of 2-chlorophenol on the synthesized $TiO_2$, Sn-impregnated $TiO_2$, TNT, and Snimpregnated TNT were evaluated. The characteristics of the synthesized photocatalyts, TNT, Sn/TNT, $TiO_2$, and Sn/$TiO_2$ were analyzed by X-ray diffraction (XRD), transmission electron microscopy (TEM), and UV-Visible spectroscopy (UV-Vis), and cyclic voltammeter (CV). The water-suspended 2-chlorophenol photodegradation over $TiO_2$ (anatase structure) catalyst was better than that over pure TNT. Particularly, the water-suspended 2-chlorophenol of 10 ppm was perfectly decomposed within 4 h over Sn/$TiO_2$ photocatalyst.
Key words: Hydrothermal method, $TiO_2$, Titania nanotube, Impregnation, 2-Chlorophenol photodegradation
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