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<p>In this work, copper zinc tin sulfide (CZTS) thin films were deposited using the spray pyrolysis method. The main objective of this study is to investigate the influence of the deposition temperature on the formation of secondary phases. This effect is analyzed by the study of the structural, optical, and electrical behavior of the samples. The samples were deposited under four different temperatures ranging from 300&#xa0;°<sup>ͦ</sup>C to 500&#xa0;°C and were characterized using XRD, Raman, UV–visible spectroscopy, scanning electron microscope, energy-dispersive spectroscopy, and four-point probe. Overall, the CZTS main phase and CuS secondary phase were noticed in all films. However, the formation of these phases showed a high dependence on the deposition temperature. As confirmed by the XRD patterns and Raman spectra, the intensity of the CuS secondary phases decreased with increasing temperature. Additionally, according to the optical and electrical results, the films behaved closer to pure CZTS with increasing temperature.</p>

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Influence of growth temperature on secondary phases in CZTS thin films prepared via spray pyrolysis

  • 期刊论文

  • 发表日期：

    2025年9月19日

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  • Khaled Majed Alsubaie,
  • Ahmed Obaid M. Alzahrani,
  • Merfat M. Alsabban,
  • Maya Abu Alqumboz,
  • Kuo‐Wei Huang,
  • M. S. Aida

摘要

In this work, copper zinc tin sulfide (CZTS) thin films were deposited using the spray pyrolysis method. The main objective of this study is to investigate the influence of the deposition temperature on the formation of secondary phases. This effect is analyzed by the study of the structural, optical, and electrical behavior of the samples. The samples were deposited under four different temperatures ranging from 300 °ͦC to 500 °C and were characterized using XRD, Raman, UV–visible spectroscopy, scanning electron microscope, energy-dispersive spectroscopy, and four-point probe. Overall, the CZTS main phase and CuS secondary phase were noticed in all films. However, the formation of these phases showed a high dependence on the deposition temperature. As confirmed by the XRD patterns and Raman spectra, the intensity of the CuS secondary phases decreased with increasing temperature. Additionally, according to the optical and electrical results, the films behaved closer to pure CZTS with increasing temperature.