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Journal of Materials Engineering and Applications

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A new highly efficient Sb-doped Mo(O,S)3 oxy-sulfide semiconductor material for photocatalytic degradation of methylene blue dyeunder visible light illumination

Author(s): WorkuLakewKebede, Dong-HauKuo

Metal doped oxy-sulfide semiconductors have narrow band gap values suitable for photocatalytic degradation of organic pollutants under visible light irradiation. Methylene blue dye is among environmentally toxic, carcinogenic and mutagenic organic pollutants. For removal purpose, the Sb-doped Mo(O,S)3 oxy-sulfide nanoplate catalyst with different Sb content was successfully synthesized via facile method. The structural, morphological, chemical composition, optical properties and electrical conductivity of the catalyst were successfully characterized. The photcatalytic performance of Sb-Mo(O,S)3 at different Sb content was investigated for the degradation of methylene blue dye under visible light irradiation using hydrogen peroxide as an effective electron scavenger. The 10% Sb-doped Mo(O,S)3 catalyst was found to be an optimum composition, where it degraded 99.7% of the dye within 60 min illumination time. The 10% SbMo(O,S)3 catalyst showed excellent activity, enhancedstability and reusability performance, with low charge transfer resistance compared to the Sb free Mo(O,S)3 oxy-sulfide nanoplate catalyst. 


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Citations : 21

Journal of Materials Engineering and Applications received 21 citations as per Google Scholar report

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