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Title |
Controlled Growth of Zinc Oxide Nanowire Arrays by Chemical Vapor Deposition (CVD) Method |
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Author |
Waseem A. Bhutto, Abdul Majid Soomro, Altaf H. Nizamani, Hussain Saleem, Murad Ali Khaskheli, Ali Ghulam Sahito, Roshan Das, Usman Ali Khan, Samina Saleem |
| Citation |
Vol. 19 No. 8 pp. 135-141 |
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Abstract |
The Nanostructured materials like nanotubes, nanowires, nanorods, and nanobelts etc. have remained the subject of interest these days because of its unique thermal, mechanical and optical properties. Zinc Oxide (ZnO), is the most attractive material due to its unique properties and availability of a variety of growth methods. At nanostructured level, the properties of ZnO can be altered by controlling the growth process, such as the shape, size, morphology, aspect ratio and density control. In this work, Aligned ZnO Nanowires (NWs) were successfully synthesized by Chemical Vapor Deposition (CVD) on Aluminum doped Zinc Oxide (AZO) substrate. The effects of different growth parameters such as growth temperature, flow rate of oxygen and distance of substrate from source on growth of aligned ZnO NWs have been investigated and discussed in detail. Morphologies and structures of grown nanowire arrays were characterized by Scanning Electron Microscopy (SEM) and X-ray diffraction (XRD). Optical properties were optimized by UV-visible transmittance spectra, and photo luminescence (PL). |
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Keywords |
Chemical Vapor Deposition, Controlled Growth, Nano Structure, Nanotubes, Nanowire Arrays, Optics, |
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