CdSe thin films: morphological, optoelectronic and photoelectrochemical studies

Polycrystalline cadmium selenide (CdSe) thin films have been synthesized at room temperature by using chemical bath deposition method. The synthesized films were characterized by using X-ray diffraction (XRD), optical absorbance, electrical conductivity, scanning electron microscope, energy dispersi...

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Veröffentlicht in:Journal of materials science. Materials in electronics 2014, Vol.25 (1), p.190-195
Hauptverfasser: Gaur, M. L., Hankare, P. P., Garadkar, K. M., Delekar, S. D., Bhuse, V. M.
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container_title Journal of materials science. Materials in electronics
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creator Gaur, M. L.
Hankare, P. P.
Garadkar, K. M.
Delekar, S. D.
Bhuse, V. M.
description Polycrystalline cadmium selenide (CdSe) thin films have been synthesized at room temperature by using chemical bath deposition method. The synthesized films were characterized by using X-ray diffraction (XRD), optical absorbance, electrical conductivity, scanning electron microscope, energy dispersive X-ray analysis, photoluminescence and photoelectrochemical (PEC) techniques. The film of 0.84 μm thickness, deposited on glass substrate showed uniform spherical morphology with an optical band gap of 1.99 eV. The XRD analysis confirmed presence of cubic structure. Scanning electron micrograph shows a typical spherical ball like morphology with large surface area, which is useful for absorption of large solar radiation. The conductivity measurements showed n type semiconducting nature of the film. A PEC cell device fabricated using ‘as deposited’ CdSe film as anode showed a stable conversion efficiency of 0.7 %.
doi_str_mv 10.1007/s10854-013-1572-9
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subjects Cadmium selenides
Characterization and Evaluation of Materials
Chemistry and Materials Science
Materials Science
Optical and Electronic Materials
title CdSe thin films: morphological, optoelectronic and photoelectrochemical studies
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