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Raman and Optical Studies of spray pyrolysed Sb2S3 thin films

M. MEDLES1,* , N. BENRAMDANE1, A. BOUZIDI1, K. SAHRAOUI1, R. MILOUA1, R. DESFEUX2, C. MATHIEU2

Affiliation

  1. Laboratoire d’Elaboration et de Caractérisation des Matériaux,Université Djillali Liabes, Sidi Bel Abbes, Algeria
  2. Université d'Artois, Faculté Jean Perrin, Rue Jean Souvraz, SP18, 62307, Lens, France

Abstract

Thin films of Sb2S3 have been prepared by spray pyrolysis technique. Thiourea (CS(NH2)2) and Antimony Trichloride (SbCl3) have been used as starting chemicals for the thin films preparation. The film surface morphology has been analyzed using the AFM (Atomic Force Microscope) and revealed that crystallites of average size of 620 nm compose the films of Sb2S3. Raman vibration mode assignments confirmed the identification of the Sb2S3 phase for the prepared thin films and revealed that their Raman spectra are roughly dominated by stretching vibration modes (Sb-S). The optical constants analysis of the prepared films gave 1.78 eV as a value of the optical band gap and confirmed the ionic character of the Sb2S3 material..

Keywords

Sb2S3, X-ray diffraction, Raman spectroscopy, Spray Pyrolysis.

Submitted at: March 1, 2014
Accepted at: May 15, 2014

Citation

M. MEDLES, N. BENRAMDANE, A. BOUZIDI, K. SAHRAOUI, R. MILOUA, R. DESFEUX, C. MATHIEU, Raman and Optical Studies of spray pyrolysed Sb2S3 thin films, Journal of Optoelectronics and Advanced Materials Vol. 16, Iss. 5-6, pp. 726-731 (2014)