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Effect of different S/In ratio of In2S3 films prepared by chemical spray pyrolysis method

Abstract : In2S3 thin films were prepared using chemical spray pyrolysis technique. An aqueous solution of InCl3 and CS(NH2)2 was sprayed on to glass substrates and kept at 300 °C, using air as a carrier gas. Stoichiometry of the films was varied by adjusting the molarity of the spray solution. Structure and properties of films with different S/In ratios have been investigated. Raman spectroscopy present bands at 302 and 329 cm-1 indicating the presence of the β-phase in all the films. Optical transmittance of films is over 80% in the visible region and its energy band gap decreases from 2.7 to 2.67 ev. PL emission in the wavelength range 300-800 nm was recorded.
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https://hal-centralesupelec.archives-ouvertes.fr/hal-02434090
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Submitted on : Thursday, January 9, 2020 - 4:45:36 PM
Last modification on : Wednesday, April 8, 2020 - 4:10:17 PM

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  • HAL Id : hal-02434090, version 1

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Samira Elfarrass, Bouchaib Hartiti, Abderraouf Ridah, Philippe Thevenin. Effect of different S/In ratio of In2S3 films prepared by chemical spray pyrolysis method. Journal of Materials and Environmental Science , Mohammed Premier University, 2015, 6 (2), pp.487-490. ⟨hal-02434090⟩

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