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access icon free Nanostructured ZnO thin film with improved optical and electrochemical properties prepared by hydrothermal electrochemical deposition technique

Zinc oxide (ZnO) thin films were grown on fluorine-doped tin oxide coated glass substrate by the hydrothermal electrochemical deposition (HTED) route using slightly acidic aqueous zinc acetate solution at 80°C and were characterised by various techniques. The deposited films showed n-type behaviour with improved carrier concentration. The steady state photocurrent densities were found to be 0.4 mA/cm2 (under UV irradiation) and 8 µA/cm2 (under visible light illumination) at zero bias potential. Significant improvement of optical, electrochemical and photoelectrochemical properties of deposited films could be achieved using HTED technique.

Inspec keywords: nanofabrication; electrodeposition; ultraviolet spectra; wide band gap semiconductors; semiconductor growth; photoconductivity; zinc compounds; nanostructured materials; carrier density; II-VI semiconductors; visible spectra; current density; photoelectrochemistry; semiconductor thin films

Other keywords: fluorine-doped tin oxide coated glass substrate; n-type behaviour; photoelectrochemical properties; optical properties; nanostructured zinc oxide thin films; hydrothermal electrochemical deposition technique; SnO2:F-SiO2; HTED technique; ZnO; visible light illumination; carrier concentration; UV irradiation; electrochemical properties; acidic aqueous zinc acetate solution; zero bias potential; steady state photocurrent density; temperature 80 degC

Subjects: Electrical properties of II-VI and III-V semiconductors (thin films, low-dimensional and nanoscale structures); Low-dimensional structures: growth, structure and nonelectronic properties; Deposition from liquid phases (melts and solutions); Optical properties of II-VI and III-V semiconductors (thin films, low-dimensional and nanoscale structures); Thin film growth, structure, and epitaxy; Electrochemistry and electrophoresis; Photoconduction and photovoltaic effects; photodielectric effects; Visible and ultraviolet spectra of II-VI and III-V semiconductors; Structure of solid clusters, nanoparticles, nanotubes and nanostructured materials; Nanofabrication using thin film deposition methods; Deposition from liquid phases; Photochemistry and radiation chemistry; Nanometre-scale semiconductor fabrication technology; Photoconducting materials and properties; II-VI and III-V semiconductors

http://iet.metastore.ingenta.com/content/journals/10.1049/mnl.2015.0528
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content/journals/10.1049/mnl.2015.0528
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