Bulletin of Materials Science

, Volume 22, Issue 5, pp 927–931 | Cite as

Photoelectrochemical investigation on spray depositedn-CdIn2S4 thin films

  • K Y Rajpure
  • V L Mathe
  • C H Bhosale
Thin Films


Polycrystalline thin films ofn-CdIn2S4 have been spray deposited onto amorphous and fluorinedoped tin oxide (FTO) coated glass substrates at the optimized substrate temperature of 380°C. The films were characterized by X-ray diffraction (XRD) and optical absorption studies. XRD studies revealed that the films were polycrystalline with spinel cubic structure. The optical absorption studies showed the band gap energy to be 2·14 eV. Photoelectrochemical (PEC) investigations were carried out using cell configurationn-CdIn2S4/1 M NaOH+1 M Na2S+1 M S/C. Using Butler model, the optical band gap and minority carrier diffusion length (L P) were found to be 2·22 eV and 0·07 µm, respectively. Gartner’s model was used to calculate the minority carrier diffusion length and the donor concentration (N D) for CdIn2S4 films at three different wavelengths.N D was found to be of the order of 1016 cm−3.


Spray pyrolysis thin films Cd chalcogenides PEC cells 


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Copyright information

© Indian Academy of Sciences 1999

Authors and Affiliations

  • K Y Rajpure
    • 1
  • V L Mathe
    • 1
  • C H Bhosale
    • 1
  1. 1.Department of PhysicsShivaji UniversityKolhapurIndia

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