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EFFECT OF POTASSIUM CYANIDE ETCHING ON STRUCTURAL, OPTICAL AND ELECTRICAL PROPERTIES OF Cu2ZnSnS4 THIN FILMS DEPOSITED BY A MODIFIED SPRAY PROCESS

Author

Listed:
  • SAMIRA BOUZIDA

    (MANAPSE, Faculty of Sciences, University of Mohammed V-Rabat, Morocco)

  • EL BACHIR BENAMAR

    (MANAPSE, Faculty of Sciences, University of Mohammed V-Rabat, Morocco)

  • MANALE BATTAS

    (MANAPSE, Faculty of Sciences, University of Mohammed V-Rabat, Morocco)

  • GUY SCHMERBER

    (#x2020;Université de Strasbourg, CNRS, Institut de Physique et Chimie des, Matériaux de Strasbourg, UMR 7504, F-67000 Strasbourg, France)

  • ZOUHEIR SEKKAT

    (MANAPSE, Faculty of Sciences, University of Mohammed V-Rabat, Morocco‡Optics and Photonics Center, Moroccan Foundation for Advanced Science, Innovation and Research (MAScIR), Rabat, Morocco)

  • AZIZ DINIA

    (#x2020;Université de Strasbourg, CNRS, Institut de Physique et Chimie des, Matériaux de Strasbourg, UMR 7504, F-67000 Strasbourg, France)

  • ABDELILAH SLAOUI

    (#xA7;Université de Strasbourg, CNRS, Laboratoire ICube, UMR 7357, F-67000 Strasbourg, France)

  • MOHAMMED ABD-LEFDIL

    (MANAPSE, Faculty of Sciences, University of Mohammed V-Rabat, Morocco)

  • MOHAMMED REGRAGUI

    (MANAPSE, Faculty of Sciences, University of Mohammed V-Rabat, Morocco)

Abstract

We report the effect of potassium cyanide etching treatment on structural, optical and electrical properties of Cu2ZnSnS4 thin films prepared by a spray-assisted chemical vapor deposition process. Raman spectroscopy and X-ray diffraction measurements before and after potassium cyanide etching have confirmed the kesterite structure of Cu2ZnSnS4 films. Potassium cyanide treatment led to the elimination of Cu2−xS secondary phase. Optical measurements showed that the band gap value was about 1.52eV. The best electrical resistivity and Hall mobility values were reached for a deposition temperature of 450∘C in both cases without and with potassium cyanide treatment.

Suggested Citation

  • Samira Bouzida & El Bachir Benamar & Manale Battas & Guy Schmerber & Zouheir Sekkat & Aziz Dinia & Abdelilah Slaoui & Mohammed Abd-Lefdil & Mohammed Regragui, 2019. "EFFECT OF POTASSIUM CYANIDE ETCHING ON STRUCTURAL, OPTICAL AND ELECTRICAL PROPERTIES OF Cu2ZnSnS4 THIN FILMS DEPOSITED BY A MODIFIED SPRAY PROCESS," Surface Review and Letters (SRL), World Scientific Publishing Co. Pte. Ltd., vol. 26(09), pages 1-7, November.
    • Handle: RePEc:wsi:srlxxx:v:26:y:2019:i:09:n:s0218625x19500537
    DOI: 10.1142/S0218625X19500537
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