CuIn(Se,S)2 Thin Films Synthesis and Characterization from a Single-Bath Electrodeposition Method
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The manner in which CuIn(Se,S)2 thin films were synthesized using a one-step electrodeposition method from an electrolyte bath is described. These were deposited on fluorine-doped tin oxide-coated glass substrates. Cyclic voltammetry was used to assess the deposition process. The films were post-annealed in a vacuum atmosphere at 300°C for 1 h. The characterization techniques used in this study were x-ray diffraction, x-ray fluorescence, scanning electron microscopy, atomic force microscopy and UV–visible absorption spectroscopy. The characterization results show that the films have a good morphology, good crystalline structure, a high absorption coefficient close to the band edge, and bandgap energy of 1.44 eV. These properties are suitable for quality solar cell applications.
KeywordsCuIn(Se,S)2 thin films electrodeposition cyclic voltammetry solar cells
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