Annealing Effect on the Surface Morphology and Photoluminescence Properties of ZnO Nanorod Prepared by Catalytic-Immersion Method Grown on Si and Au/Si Substrate

Abstract:

ZnO nanorods were prepared by immersion method deposited onto Silicon (Si) and gold-seeded Si (Au/Si) substrate. The annealing temperatures were varied from 400, 500 and 600 °C. The effect of annealing temperature on the surface morphology and photoluminescence characteristics was investigated. The samples were characterized by Field Emission Scanning Electron Microscope (FESEM) to study their morphology and structural properties while the optical properties were characterized at room temperature using Photoluminescence Spectroscope. The shape of ZnO showed growth of nanorods with hexagonal shape. As the annealing temperature increased, the morphology study indicates that particle size of ZnO decreased while the crystallinity increases. The structures has high surface area, is a potential metal oxide nanostructures to be develop for optoelectronic devices and chemical sensors.

• Periodical: Advanced Materials Research (Volume 667)
• Pages: 110-114
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.667.110
• Online since: March 2013
• Authors: Azlinda Ab Aziz, Zuraida Khusaimi, Saifollah Abdullah, Mohamad Rusop Mahmood
• Keywords: Aqueous Solution, FESEM, Gold, HMTA, Immersion Method, PL

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