Effect Of Al Doping On The Properties Of Electrodeposited Zno Nanostructures
| dc.contributor.author | Baka, Ouidad | |
| dc.contributor.author | Khelladi, Mohamed Redha | |
| dc.contributor.author | Azizi, Amor | |
| dc.date.accessioned | 2023-09-18T10:19:29Z | |
| dc.date.available | 2023-09-18T10:19:29Z | |
| dc.date.issued | 2014 | |
| dc.description.abstract | In this study, Al-doped zinc oxide (AZO) nanostructures are prepared on polycrystalline fluorine-doped tin oxide (FTO)-coated conducting glass substrates from nitrates baths by the electrodeposition process at 70 °C. The electrochemical, morphological, structural and optical properties of the AZO nanostructures were investigated in terms of different Al concentration in the starting solution. It was found from the Mott–Schottky (M-S) plot that the carrier density of AZO nanostructures varied between 3.11´1020 to 5.56´1020 cm-3 when the Al concentration was between 0 and 5 mM. Atomic force microscopie (FM) images reveal that the concentration of Al has a very significant influence on the surface morphology and roughness of AZO thin films. X-ray diffraction (XRD) patterns demonstrate preferential (002) crystallographic orientation having c-axis perpendicular to the surface of the substrate and average crystallites size of the films was about 23–36 nm. As compared to pure ZnO, Al-doped ZnO exhibited lower crystallinity and there is a shift in the (002) diffraction peak to higher angles. ZnO nanostructures were found to be highly transparent and had an average transmittance of 80 % in the visible range of the spectrum. After the incorporation of Al content into ZnO the average transmittance increased and the band-gap tuning was also achieved (from 3.22 to 3.47 eV). | ar |
| dc.identifier.issn | 2170-161X | |
| dc.identifier.uri | http://hdl.handle.net/123456789/16089 | |
| dc.language.iso | en | ar |
| dc.publisher | Oum-El-Bouaghi University | ar |
| dc.subject | Al-doped ZnO | ar |
| dc.subject | Carrier density | ar |
| dc.subject | Electrodeposition | ar |
| dc.subject | Nanostructures | ar |
| dc.subject | XRD | ar |
| dc.title | Effect Of Al Doping On The Properties Of Electrodeposited Zno Nanostructures | ar |
| dc.type | Article | ar |