SYNTHESIS OF ZnO:Mg NANOCOMPOSITE BY PULSED LASER ABLATION IN LIQUID

Khawla Khashan () and Farah Mahdi
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Farah Mahdi: Department of Applied Science, University of Technology, Baghdad, Iraq

Surface Review and Letters (SRL), 2017, vol. 24, issue 07, 1-7

Abstract: ZnO:Mg nanocomposite formation by two-step laser ablation in deionized water is analyzed. Fourier transform infrared spectroscopy (FTIR), X-ray diffraction (XRD), UV–Vis spectroscopy, scanning electron microscopy (SEM) and energy dispersive X-ray (EDX) analysis were employed to obtain infrared spectra, crystalline structures, optical absorption spectra, morphology and spatial composition of the prepared nanocomposite. The FTIR result shows that bonds at ∼480cm−1 and 900cm−1 correspond to Zn–O and Mg–O stretching modes. The XRD pattern observed the hexagonal wurtzite of ZnMgO phase at 2θ=34.31∘ and 34.76∘. SEM image shows a flower-like hierarchical structure with a full array about 2μm. The absorption spectra demonstrate that a band gap of nanocomposite increases as the Mg content increases.

Keywords: ZnO:Mg; nanocomposite; pulsed laser ablation in liquid (search for similar items in EconPapers)
Date: 2017
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DOI: 10.1142/S0218625X17501013

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