Abstract
This paper reports the structural, the, optical, the electrical and electrochemical properties of Ni3Sn2S2 sprayed thin film. This ternary compound thin film was prepared by a simple spray pyrolysis method on ordinary cleaned glass substrate at 250 °C by using nickel chloride hexahydrate, tin chloride hexahydrate and Thiourea. XRD analysis showed that Ni3Sn2S2 crystallized in rhombohedra structure belonging to R-3 m (166) space group. Lattice parameters a and α were calculated. Both SEM and TEM observations showed a nanometric character of Ni3Sn2S2 prepared films. Optical analysis via the transmittance and reflectance spectra revealed ahigh absorption of this ternary compound in the visible range. A particular behavior of the absorption coefficient was found around 500 nm (green radiation). On the other hand, the absorptivity, which is the meaning of the absorption coefficient pondered on the IAM1.5 solar emission, was also calculated. Basic electric characteristics in terms of electric conductivity at different temperatures were evaluated show a metallic behavior of Ni3Sn2S2 thin film. Finally, the advances in the actively studied electrode that were emerging as effective alternate based cyclic voltammetry were also discussed.
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