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The optical parameters of CuInS2 thin films deposited by spray pyrolysis method for photovoltaic applications

Abstract : In this work, CuInS2 (CIS) thin films were prepared by spray pyrolysis method, and optical properties were investigated. CuInS2 in the form of films is prepared at different deposition conditions by a simple and economical spray pyrolysis method. Optical constants such as band gap Eg, extinction coefficient k, refractive index n, and dielectric constants e1 and e2 were determined from the measured transmittance and absorption spectra in the wavelength range between 550-850 nm. Furthermore, the optical band gap values were calculated by the Tauc model. The absorption spectra of the films showed that this compound is a direct band gap material. The major result of this study is optical properties of CuInS2. © 2015 IEEE.
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https://hal-centralesupelec.archives-ouvertes.fr/hal-02434104
Contributor : Amandine Lustrement <>
Submitted on : Thursday, January 9, 2020 - 4:46:25 PM
Last modification on : Wednesday, April 8, 2020 - 4:04:43 PM

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Ahmed Kotbi, Abderraouf Ridah, Bouchaib Hartiti, Philippe Thevenin. The optical parameters of CuInS2 thin films deposited by spray pyrolysis method for photovoltaic applications. IEEE International Renewable and Sustainable Energy Conference, IRSEC 2015, Dec 2015, Marrakech, Morocco. pp.7455125, ⟨10.1109/IRSEC.2015.7455125⟩. ⟨hal-02434104⟩

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