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Effect of precursor concentration on the structural and optical properties of ZnO nanostructures

Authors

  • Sharul Ashikin Kamaruddin,

    Corresponding author
    1. Faculty of Engineering, Multimedia University, Jalan Multimedia, 63100 Cyberjaya, Selangor, Malaysia
    2. Faculty of Electrical and Electronic Engineering, University Tun Hussein Onn Malaysia, 86400 Batu Pahat, Johor, Malaysia
    • Phone: +60 3 8312 5480, Fax: +60 3 8318 3029
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  • Mohd Zainizan Sahdan,

    1. Faculty of Electrical and Electronic Engineering, University Tun Hussein Onn Malaysia, 86400 Batu Pahat, Johor, Malaysia
    2. Faculty of Electrical Engineering, University of Technology MARA, 40450 Shah Alam, Selangor, Malaysia
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  • Kah-Yoong Chan,

    1. Faculty of Engineering, Multimedia University, Jalan Multimedia, 63100 Cyberjaya, Selangor, Malaysia
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  • Mohamad Rusop,

    1. Faculty of Electrical Engineering, University of Technology MARA, 40450 Shah Alam, Selangor, Malaysia
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  • Hashim Saim

    1. Faculty of Electrical and Electronic Engineering, University Tun Hussein Onn Malaysia, 86400 Batu Pahat, Johor, Malaysia
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Abstract

Zinc oxide (ZnO) is an emerging material in large area electronic applications such as thin-film solar cells and transistors. We report on the fabrication and characterization of ZnO nanostructures. ZnO nanostructures have been synthesized using sol–gel immerse technique on oxidized silicon substrates. Different precursor's concentrations ranging from 0.0001 to 0.01 M using zinc nitrate hexahydrate [Zn(NO3)2.6H2O] and hexamethylenetetramine [C6H12N4] has been employed in the synthesis of ZnO nanostructures. The surface morphologies were examined using scanning electron microscope (SEM) and atomic force microscopy (AFM). In order to investigate the structural properties, the ZnO nanostructures were measured using X-ray diffractometer (XRD). The optical properties of the ZnO nanostructures were measured using photoluminescence (PL) spectrometer.

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