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Possibility to Use Hydrothermally Synthesized CuFeS2 Nanocomposite as an Acceptor in Hybrid Solar Cell

  • Sayantan Sil
  • Arka Dey
  • Soumi Halder
  • Joydeep Datta
  • Partha Pratim RayEmail author
Article

Abstract

Here we have approached the plausible use of CuFeS2 nanocomposite as an acceptor in organic–inorganic hybrid solar cell. To produce CuFeS2 nanocomposite, hydrothermal strategy was employed. The room-temperature XRD pattern approves the synthesized material as CuFeS2 with no phase impurity (JCPDS Card no: 37-0471). The elemental composition of the material was analyzed from the TEM-EDX data. The obtained selected area electron diffraction (SAED) planes harmonized with the XRD pattern of the synthesized product. Optical band gap (4.14 eV) of the composite from UV–Vis analysis depicts that the synthesized material is belonging to wide band gap semiconductor family. The HOMO (− 6.97 eV) and LUMO (− 2.93 eV) positions from electrochemical study reveal that there is a possibility of electron transfer from MEH-PPV to CuFeS2. The optical absorption and photoluminescence spectra of MEH-PPV:CuFeS2 (donor:acceptor) composite were recorded sequentially by varying weight ratios. The monotonic blue shifting of the absorption peak position indicated the interaction between donor and acceptor materials. The possibility of electron transfer from donor (MEH-PPV) to acceptor (CuFeS2) was approved with photoluminescence analysis. Subsequently, we have fabricated a hybrid solar cell by incorporating CuFeS2 nanocomposite with MEH-PPV in open atmosphere and obtained 0.3% power conversion efficiency.

Keywords

acceptor donor hydrothermal nanocomposite quenching solar cell 

Notes

Acknowledgments

Sayantan Sil acknowledges University Grants Commission (UGC) for providing NET-Junior Research Fellowship. The support from the FIST and PURSE Program of the Department of Science and Technology (DST) and UPE Program of UGC, Government of India, is also acknowledged.

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Copyright information

© ASM International 2018

Authors and Affiliations

  1. 1.Department of PhysicsJadavpur UniversityKolkataIndia

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