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Applied surface science v.433, 2018년, pp.388 - 397   SCI SCIE
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Construction of RGO/CdIn2S4/g-C3N4 ternary hybrid with enhanced photocatalytic activity for the degradation of tetracycline hydrochloride

Xiao, Peng (Corresponding author. ) ; Jiang, Deli ; Ju, Lixin ; Jing, Junjie ; Chen, Min ;
  • 초록  

    Abstract Although RGO shows great advantage in promoting charge separation and transfer of semiconductor, construction of an efficient RGO-incorporated photocatalyst is still challenging. Herein, RGO was employed to construct novel RGO/CdIn 2 S 4 /g-C 3 N 4 (donated as RGO/CIS/CN) ternary photocatalyst by a facile hydrothermal method for the degradation of tetracycline hydrochloride (TC). The RGO/CIS/CN ternary photocatalyst showed significantly enhanced photocatalytic activity towards the degradation of TC as compared to the binary CIS/CN, CIS/CN, and CN/RGO. The photoluminescence and photocurrent response results indicate that this enhanced photocatalytic activity can be mainly ascribed to the improved charge separation and transfer efficiency. Based on the radical trapping and electron spin resonance results, the superoxide radicals and holes are proposed to play an important role in the degradation of TC over RGO/CIS/CN ternary photocatalyst. This work paves new opportunities for the synthesis of RGO-incorporated ternary photocatalyst as an efficient photocatalyst for the degradation of organic contaminant. Highlights Novel RGO/CdIn 2 S 4 /g-C 3 N 4 ternary photocatalyst was synthesized. The ternary photocatalyst showed the significantly enhanced activity. The improved charge separation and transfer contributes to the enhanced activity. The superoxide radicals and holes are the main reactive species. Graphical abstract [DISPLAY OMISSION]


  • 주제어

    CdIn2S4 .   g-C3N4 .   Reduced graphene oxide .   Ternary composite .   Photocatalysis .   Tetracycline hydrochloride.  

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