Effect of annealing temperature on structural properties of aluminium doped zinc oxide nanoparticles synthesized via sol gel auto combustion

Mohamad Yusof, Izzat (2018) Effect of annealing temperature on structural properties of aluminium doped zinc oxide nanoparticles synthesized via sol gel auto combustion. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

The aim of this study is to investigate the effects of annealing temperature on the structural and optical properties of aluminium doped zinc oxide nanoparticles synthesized via sol gel auto combustion method. Zinc oxide with unique properties such as wide band gap, 3.37 eV and large exciton energy of ~ 60 meV, has many applications especially as semiconductor materials. The doping of aluminium to zinc oxide improves the properties of zinc oxide itself included increase the electrical toughness property. It has been reported that dissimilar annealing temperature affects the properties of aluminium doped zinc oxide compound. The method used has better control compound of composition and less impurities compared to conventional methods. The details of process and mechanism responsible for the synthesis of nanoparticles by simple and low cost method, sol gel auto combustion to get high purity of aluminium doped zinc oxide are explained. The chosen temperatures that altered in calcination process are 400°C, 500°C, 600°C, 700°C, and 800°C. The prepared nanomaterials are subjected to various characterizations. The structural properties will be characterized by using field emission scanning electron microscope (FESEM) and x-ray diffraction (XRD). Meanwhile for optical properties, fourier transform infrared spectroscope (FTIR) and ultraviolet visible spectroscope (UV-Vis) are used.

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