Effect of annealing time and substrates nature on the physical properties of CuSbS2 thin films

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• 作者：Y. Fadhli ; A. Rabhi ; M. Kanzari
• 刊名：Journal of Materials Science: Materials in Electronics
• 出版年：2014
• 出版时间：November 2014
• 年：2014
• 卷：25
• 期：11
• 页码：4767-4773
• 全文大小：2,686 KB
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• 作者单位：Y. Fadhli (1)
  A. Rabhi (1)
  M. Kanzari (1)
  
  1. Laboratoire de Photovolta?que et Matériaux Semi–Conducteurs, ENIT BP 37, Le belvédère, 1002, Tunis, Tunisia
  
• ISSN：1573-482X

文摘

In this study, the annealing time and substrates nature effects on the physical properties of CuSbS2 thin films were investigated. CuSbS2 thin films were prepared on various substrates via thermal evaporation technique. The as_deposited films were annealed in air for 60 and 120?min at 250?°C. The atomic force microscope micrographs of as_made and annealed thin films show that the surface morphology is affected by annealing time and substrate variation. X_ray diffraction results show that crystallinity increased with annealing time. The microstructure parameters: crystallite size and dislocation density were calculated. The optical properties were obtained from the analysis of the experimental recorded transmittance and reflectance spectral data over the wavelength range 300-800?nm. High absorption coefficients (105-06?cm?) are reached. Values of Eg are close to the theoretical optimum for efficient conversion of solar radiation into electrical power making the material suitable for photovoltaic applications.