Abstract
P-type copper indoselenide (CulnSe2) thin films were vacuum-deposited on glass substrates by a single-source thermal evaporation technique under different conditions of preparation. The structural properties of the films were investigated by X-ray diffraction and transmission electron microscopy and diffraction techniques. The dark resistivity of the deposited films was investigated as a function of film thickness, deposition rate and substrate temperature. The conductivity activation energy ranges from 0.851 to 1.01 eV depending on the deposition rate. Single-phase and stoichiometric CulnSe2 films could be deposited at low deposition rates (less than 4 nms−1). Higher deposition rates led to multiphase films containing InSe, ln2Se3, CuSe and Cu3Se2 in addition to CulnSe2.
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El-Nahass, M.M., Soliman, H.S., Hendi, D.A. et al. Effect of some growth parameters on vacuum-deposited CulnSe2 films. J Mater Sci 27, 1484–1490 (1992). https://doi.org/10.1007/BF00542908
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DOI: https://doi.org/10.1007/BF00542908