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Materials 2019, 12(5), 821;

Facile Microemulsion Synthesis of Vanadium-Doped ZnO Nanoparticles to Analyze the Compositional, Optical, and Electronic Properties

Centre for Advanced Studies in Physics, GC University, Lahore 54000, Pakistan
Department of Electrical Engineering, College of Engineering, Majmaah University, Majmaah 11952, Saudi Arabia
Centre for High Energy Physics, University of the Punjab, Lahore 54000, Pakistan
Department of Physics, Beijing Normal University, Haidian District, Beijing 100875, China
Department of Physics College of Science, Majmaah University, P.O. Box 1712, Al-Zulfi 11932, Saudi Arabia
Department of Physics, Forman Christian College (A Chartered University), Lahore 54600, Pakistan
Authors to whom correspondence should be addressed.
Received: 16 January 2019 / Revised: 5 March 2019 / Accepted: 6 March 2019 / Published: 11 March 2019
(This article belongs to the Special Issue Materials for Photovoltaic Applications)
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In this work, microemulsion method has been followed to synthesize vanadium-doped Zn1−xVxO (with x = 0.0, 0.02, 0.04, 0.06, 0.08, and 0.10) nanoparticles. The prepared samples are characterized by several techniques to investigate the structural, morphology, electronic, functional bonding, and optical properties. X-ray diffractometer (XRD) analysis confirms the wurtzite phase of the undoped and V-doped ZnO nanoparticles. Variation in the lattice parameters ensures the incorporation of vanadium in the lattice of ZnO. Scanning electron microscopy (SEM) shows that by increasing contents of V ions, the average particle size increases gradually. X-ray Absorption Near Edge Spectroscopy (XANES) at the V L3,2 edge, oxygen K-edge, and Zn L3,2 edge reveals the presence and effect of vanadium contents in the Zn host lattice. Furthermore, the existence of chemical bonding and functional groups are also asserted by attenuated total reflection Fourier transform infrared spectroscopy (ATR-FTIR). UV–Visible analysis shows that by increasing V+ contents, a reduction up to 2.92 eV in the energy band gap is observed, which is probably due to an increase in the free electron concentration and change in the lattice parameters. View Full-Text
Keywords: ZnO nanoparticles; surface morphology; XANES; optical properties ZnO nanoparticles; surface morphology; XANES; optical properties

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Ali, H.S.; Alghamdi, A.S.; Murtaza, G.; Arif, H.S.; Naeem, W.; Farid, G.; Sharif, S.; Ashiq, M.G.B.; Shabbir, S.A. Facile Microemulsion Synthesis of Vanadium-Doped ZnO Nanoparticles to Analyze the Compositional, Optical, and Electronic Properties. Materials 2019, 12, 821.

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