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In this letter, visible-blind ultraviolet (UV) photodetectors based on Zr0.27Ti0.73O2 thin films with Pt electrodes were fabricated. The Zr0.27Ti0.73O2 thin films were prepared via the sol-gel method and characterized by means of X-ray diffraction, scanning electron microscopy, XPS, and UV-visible absorption spectra. At 5-V bias, the dark current of the detector was only 6 nA. Under the irradiation...
The work presented here shows the effect of annealing temperature on CuI thin films. The 0.05 mol of CuI solution is prepared at room temperature and then deposited in silicon and glass substrate. The CuI thin films were deposited using sol-gel spin coating method. The electrical, optical properties and surface morphology was characterized by current-voltage (I-V) measurement, ultraviolet-visible...
Zinc sulphide (ZnS) thin films with nanoscale grains of about 8-113-nm were deposited on glass substrates by chemical bath deposition technique using aqueous solution of zinc acetate [Zn (CH3COO)2] and Thiourea. The structure, surface morphology and optical characteristics of the deposited films were investigated for photovoltaic device applications. The crystallinity of the thin films was characterised...
The effect of deposition temperature on the electrical, optical, structural, and morphological properties of indium doped zinc oxide thin films, ZnO:In, deposited by the chemical spray technique have been studied in this work. The starting solution was prepared using zinc pentanedionate and indium chloride as Zn and In precursors, respectively. Ethyl alcohol was utilized as solvent. The films were...
Focused ion beam technique has been applied to fabricate ring resonators in Ge-Sb-S thin films for optoelectronic applications. The CVD-grown Ge-Sb-S thin films have been characterizatezed by micro-Raman, scanning electron microscopy, energy dispersive X-ray analysis and UV-vis-NIR spectroscopy and the properties of the resonator are being assessed.
In the present work, ZnO film has been successfully grown on soda-lime glass substrate using a modified Liquid flow deposition technique (LFD). Structural and optical properties of the samples were characterized using X-Ray Diffraction (XRD), Scanning Electron Microscopy (SEM), Energy Dispersive Analysis using X-Rays (EDAX), Fourier Transform Infrared Spectroscopy (FTIR), UV-Visible and Photoluminescence...
Novel nanobar Pt/ZnO thin films were prepared by the sol-gel technique associated with spin coating onto glass substrates. The as-prepared samples were annealed and characterized by X-ray diffraction (XRD), scanning electron microscope (SEM) and UV-vis absorption spectroscopy (UV-vis). The results indicate that the Pt/ZnO thin films consist of nanobars with diameters about 58 nm. By increasing the...
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