Physics of the Solid State

, Volume 58, Issue 1, pp 37–41 | Cite as

Low-temperature spray-pyrolysis of FeS2 films and their electrical and optical properties

  • I. G. OrletskiiEmail author
  • P. D. Mar’yanchuk
  • E. V. Maistruk
  • M. N. Solovan
  • V. V. Brus


Iron disulfide (FeS2) films with a wide range of electrical resistivities 100 Ω cm ⩽ ρ ⩽ 800 kΩ cm, a high adhesion to the substrate, and a resistance to aggressive media have been prepared by the spray pyrolysis of aqueous solutions of the salts FeCl3 · 6H2O and (NH2)2CS at low temperatures in the range 250°C ⩽ T S ⩽ 400°C. It has been found that the FeS2 films have a high transmittance T ≈ 60–70% and are characterized by a sharp transmission edge. It has been shown that the optical band gap for direct (E g op = 2.19–2.78 eV) and indirect (E g ′op = 1.26–1.36 eV) optical transitions depends on the conditions of film preparation.


Pyrolysis Electrical Resistivity Spray Pyrolysis Pyrolysis Temperature High Sulfur Concentration 
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Copyright information

© Pleiades Publishing, Ltd. 2016

Authors and Affiliations

  • I. G. Orletskii
    • 1
    Email author
  • P. D. Mar’yanchuk
    • 1
  • E. V. Maistruk
    • 1
  • M. N. Solovan
    • 1
  • V. V. Brus
    • 1
    • 2
  1. 1.Fedkovych National University of ChernivtsiChernivtsiUkraine
  2. 2.University of CaliforniaSanta BarbaraUSA

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