A fully computerized system of spray pyrolysis was employed for fabricating copper tin sulphite ternary thin film onto glass substrates. During deposition process, the glass substrate was maintained at 310 ± 10 °C. After dissolving the raw chemicals, a mixture of their aqueous solutions was used for spraying process. The optimum solution mixture at the volumetric ratio [S/(Cu+Sn)=1] at 1.5 of pH. XRD investigation was approved a monoclinic phase of CTS. A number of different platform speed was tested in the deposition process. XRD diffraction peaks were described at 2θ = 28.39°, 33.02°, 47.34°, and 56.39° corresponding to the ( 2 ¯ 1 ¯ 1 ) ( 2 ¯ 0 6 ) , ( 2 ¯ 0 10 ) , and ( 3 ¯ 2 ¯ 10 ) , respectively. These are crystal planes of monoclinic copper tin sulphide. The FTIR study certified a number of the chemical bond of Cu-, Sn- and S-. The grain size was observed in the range of nano using Scherrer formula. Studying surface morphology of CTS films reveals a uniform coating on the substrates which approved by SEM investigations.
Spray pyrolysis technique was employed for depositing Nickel oxide thin films onto glass substrates at 350±10 °C. An aqueous solution of NiCl2.4[H2O] within 0.01 M used for spraying. XRD examination revealed polycrystalline cubic phase of NiO thin films. The crystallinity growth along (111), (200), and (202) planes at 2θ = 37.28°, 43.29°, and 62.91°, respectively. AFM was examined and showed low roughness in the selected area. Thickness was calculated using Fizeau Fringes interferometric method that found around 175 nm. FTIR investigation endorses the vibration mode of the Ni-O bond. The absorption investigation was carried out in the range 350-750 nm, and the energy band gap was found to be about 3.68 eV. The microscopic imaging showed an adequate surface morphology with fine distribution of coating on the substrate.
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