Abstract
Inorganic binary and ternary compounds are considered as key materials in applications related to solar energy conversions. In this paper, we report on the chemical synthesis of ternary cadmium cobalt selenide thin film and studies on some of its properties. A cadmium cobalt selenide film of 0.92 μm thickness on glass substrate shows a uniform spherical morphology. An XRD analysis confirms the presence of individual cubic cadmium selenide and cobalt selenide phases formulated in a homogeneous, grainy morphology. The optical absorbance study gave a single absorption edge at ~680 nm corresponding to optical band gap of 1.84 eV, while emission spectra exhibited a strong emission band at ~675 nm at room temperature corresponding to a fundamental band gap. A photo-electrochemical cell constructed reports a conversion efficiency of 0.742 % with a fill factor of 37.70 %.
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Acknowledgments
The authors MLG and VMB are grateful to the Director of Higher Education, Pune, India for giving permission to carry out the research work. I.S. Mulla is grateful to CSIR, India for granting Emeritus Scientist scheme.
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Gaur, M.L., Hankare, P.P., Mulla, I.S. et al. Morphological and optical properties of mixed cadmium cobalt selenide thin film synthesized by chemical bath deposition method for photoelectrochemical applications. J Mater Sci: Mater Electron 27, 7603–7608 (2016). https://doi.org/10.1007/s10854-016-4743-7
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DOI: https://doi.org/10.1007/s10854-016-4743-7