Solar Light Responsive Photocatalytic Activity of Reduced Graphene Oxide–Zinc Selenide Nanocomposite

  • Koushik Chakraborty
  • Sk Ibrahim
  • Poulomi Das
  • Surajit Ghosh
  • Tanusri PalEmail author


Solution processable reduced graphene oxide–zinc selenide (RGO–ZnSe) nanocomposite has been successfully synthesized by an easy one-pot single-step solvothermal reaction. The RGO–ZnSe composite was characterized structurally and morphologically by the study of XRD analysis, SEM and TEM imaging. Reduction in graphene oxide was confirmed by FTIR spectroscopy analysis. Photocatalytic efficiency of RGO–ZnSe composite was investigated toward the degradation of Rhodamine B under solar light irradiation. Our study indicates that the RGO–ZnSe composite is catalytically more active compared to the controlled-ZnSe under the solar light illumination. Here, RGO plays an important role for photoinduced charge separation and subsequently hinders the electron–hole recombination probability that consequently enhances photocatalytic degradation efficiency. We expect that this type of RGO-based optoelectronics materials opens up a new avenue in the field of photocatalytic degradation of different organic water pollutants.


electronic materials nanomaterials semiconductors 



This work was supported by the Department of Science and Technology (DST), New Delhi, India, via Grant SR/FTP/PS-113/2010. We are also thankful to the University Grants Commission (UGC), and DST, New Delhi, India, for providing special assistance and infrastructural support to the Department of Physics and Technophysics, Vidyasagar University, via SAP and FIST program, respectively.


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Copyright information

© ASM International 2017

Authors and Affiliations

  • Koushik Chakraborty
    • 1
  • Sk Ibrahim
    • 1
  • Poulomi Das
    • 2
  • Surajit Ghosh
    • 1
  • Tanusri Pal
    • 2
    Email author
  1. 1.Department of Physics and TechnophysicsVidyasagar UniversityMidnaporeIndia
  2. 2.Department of PhysicsMidnapore CollegeMidnaporeIndia

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