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Zinc oxide (ZnO) nanostructures had successfully prepared using sol-gel immersion method. The tin (Sn) dopant concentration was varied between 0.4 to 2.0 at.%. The surface topography and electrical properties of the ZnO nanostructures were studied using atomic force microscopy (AFM) and current-voltage (IV) measurement. The highest conductivity of 1.68 × 10−2 Scm−1 was obtained by 2.0 at.% sample...
The atomic force microscopy (AFM) morphologies and electrical properties of the nanostructured Aluminium (Al) doped Zinc Oxide (ZnO) thin films prepared at various thicknesses were investigated. The films were prepared by sol-gel spin-coating method to fabricate ZnO-based sensors. The sensitivity upon exposure to methane (CH4) gas at room temperature was investigated. The results show that the lowest...
Nanostructured Aluminium (Al) doped zinc oxide (ZnO) was prepared using sol-gel spin-coating method. These films were tested under different exposure of oxygen flow rates at room temperature with bias voltage applied at 5 V. The structural properties were characterized using Atomic Force Microscopy (AFM) and Field Emission Scanning Electron Microscopy (FESEM). The fesem image revealed the surface...
Nanostructured Aluminium (Al) doped Zinc Oxide (ZnO) was prepared by sol-gel spin-coating method to fabricate ZnO-based sensors. The oxygen-sensing characteristics were studied by varying the gas flow rate at room temperature. The electrical and structural properties of the films were carried out using current-voltage (IV) measurement, Atomic Force Microscopy (AFM) and Field Emission Scanning Electron...
Nanorod zinc oxide (ZnO) thin films have been successfully deposited using RF magnetron sputtering at room temperature. The RF power was varied and the effect on the surface characteristic of ZnO thin film was studied. The surface topography and morphology of the thin films were characterised using X-ray Diffractometer (XRD), Atomic Force Microscopy (AFM) and Field Emission Scanning Electron Microscopy...
Nanostructured Aluminium (Al) doped zinc oxide (ZnO) has been prepared using sol-gel spin-coating method. The annealing temperature was varied and the effect on the surface characteristic of ZnO thin film was studied. The surface topography and morphology of the thin films were characterised using X-ray Diffractometer (XRD), Atomic Force Microscopy (AFM) and Field Emission Scanning Electron Microscopy...
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