Antimony Sulphide Thin Films

  • J. S. Curran
  • R. Philippe
Conference paper


Antimony trisulphide has been prepared with n-type conductivity, in + the form of thin polycrystalline films. These films were obtained by a tarnishing, or gas-solid reaction between metallic antimony and sulphur vapour, and their properties studied by photoelectrochemical techniques. An analysis of photocurrent-voltage curves and photocurrent spectra allows an estimation of the following parameters: band-gap 1.62 eV, flat band potential -0.45 V (SCE) and donor density approximately 1014 cm-3. Spectroellipsometric measurements confirmed the high optical absorption coefficients previously reported for this material. Photovoltages of up to 400 mV have been observed, and monochromatic quantum yieds of over 60%. Preliminary experiments have indicated that photocorrosion may be suppressed in organic electrolytes.


Flat Band Potential Sulphur Vapour Thin Polycrystalline Film Sulphide Thin Film High Optical Absorption Coefficient 
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Copyright information

© ECSC, EEC, EAEC, Brussels and Luxembourg 1982

Authors and Affiliations

  • J. S. Curran
    • 1
  • R. Philippe
    • 1
  1. 1.Laboratoire de Physicochimie des InterfacesEcole Centrale de LyonFrance

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