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Annealing Effects on the Structural and Optical Properties of Thermally Deposited Tin Antimony Sulfide Thin Films

  • General and Applied Physics
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Abstract

We report the deposition and characterization of tin antimony sulfide thin films on a soda glass substrate by a thermal evaporation technique. The thin films were annealed in argon gas at 150, 175, and 300 °C inside glass ampoules. The structural and optical properties of the deposited and annealed films are investigated. X-ray diffraction (XRD) patterns show that the films are polycrystalline in structure. Photoconductivity plot revealed good response in the NIR and visible regions, while the films show no transmittance below 700 nm. The absorption coefficient was of the order of 106 cm−1. Optical band gaps were also evaluated and a decrease in band gap was observed due to annealing. Hot point probe technique was employed for type of conductivity.

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Acknowledgement

The authors would like to thank University Teknologi Malaysia for the financial support of this research work through Post-Doctoral Fellowship Scheme.

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Ali, N., Ahmed, R., Shaari, A. et al. Annealing Effects on the Structural and Optical Properties of Thermally Deposited Tin Antimony Sulfide Thin Films. Braz J Phys 44, 733–738 (2014). https://doi.org/10.1007/s13538-014-0255-1

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  • DOI: https://doi.org/10.1007/s13538-014-0255-1

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