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    National Tsing Hua University Institutional Repository > 原子科學院  > 生醫工程與環境科學系 > 期刊論文 >  Synthesis and characterization of TiO2/BaF2/ceramic radio-sensitive photocatalyst

    Please use this identifier to cite or link to this item: http://nthur.lib.nthu.edu.tw/dspace/handle/987654321/61826

    Title: Synthesis and characterization of TiO2/BaF2/ceramic radio-sensitive photocatalyst
    Authors: Wang, C. F.;Yu, C. T.;Lin, B. H.;Lee, J. H.
    教師: 王竹方
    Date: 2006
    Publisher: Elsevier
    Relation: Journal of Photochemistry and Photobiology A: Chemistry, Volume 182, Issue 1, Pages 93-98
    Keywords: photocatalyst
    Abstract: Nanophase Tio(2)/BaF2 immobilized on micron size ceramic powder was prepared using the TiCL4 hydrolysis and EDTA chelating agent method. The photo-catalytic degradation effects for MB dye using UV and gamma-radiations were investigated. The prepared nanocomposites were characterized using Brunauer-Emmett-Teller (BET), X-ray diffraction (XRD) and inductively coupled plasma-atomic emission spectrometry (ICP-AES) analysis. It is shown that MB can be effectively photodecomposed using prepared composites under UV or gamma-radiation. Experimental results indicated that the existence of BaF2 enhances the photoactivity of TiO2 and becomes a light source around TiO2 by converting the gamma-radiation. A relevant photo-catalytic mechanism induced using ionization radiation is proposed.
    URI: http://www.elsevier.com/
    Appears in Collections:[生醫工程與環境科學系] 期刊論文

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