Elongated Wire-Like Zinc Oxide Nanostructures Synthesized from Metallic Zinc

Authors

  • El-Shazly M. Duraia Texas State University-San Marcos, Department of Chemistry and Biochemistry, San Marcos, TX 78666, USA; Suez Canal University, Faculty of Science, Physics Department, Ismailia Egypt
  • G. W. Beall Distinguished adjunct professor, Faculty of Science, King Abdulaziz University, Jeddah, Saudi Arabia
  • Z. A. Mansurov The Institute of Combustion Problems, Almaty, Kazakhstan
  • T. A. Shabanova The Institute of Combustion Problems, Almaty, Kazakhstan
  • A. E. Hannora Texas State University-San Marcos, Department of Chemistry and Biochemistry, San Marcos, TX 78666, USA

DOI:

https://doi.org/10.18321/ectj135

Abstract

Elongated wire-like Zinc oxide, nanocombs and nanocrystals have been successfully synthesized on the silicon substrate from the metallic zinc as a starting material. The annealing temperature was as low as 450 ºC in argon atmosphere mixed with about 3% oxygen. Structural analysis using the X-ray Diffraction (XRD) and Transmission Electron Microscopy (TEM) showed that the existence of two phases; nanowires and crystalline form. Moreover some nanoparticles aggregates were noticed to be attached in the bulk to the sides of the ZnO nanocrystals and sometimes these aggregate attached to the Zinc oxide hexagonal crystal and grow to form nanowire at different angles. Scanning electron microscopy (SEM) investigations for the zinc oxide nanostructure on the silicon substrate showed the formation of the nanocrystals in the gas flow direction and at the low energy sites over the silicon substrate. Photoluminescence (PL) measurements, performed at the room temperature, showed the existence of two basic emissions: narrow ultraviolet (UV) emission at 398 nm which attributed to the near band edge emission of the wide band gap and a very wide, more intensive, green emission at 471 nm corresponds to the crystal defects such as vacancies, interstitial sites in ZnO.

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Published

2013-01-15

How to Cite

Duraia, E.-S. M., Beall, G. W., Mansurov, Z. A., Shabanova, T. A., & Hannora, A. E. (2013). Elongated Wire-Like Zinc Oxide Nanostructures Synthesized from Metallic Zinc. Eurasian Chemico-Technological Journal, 15(1), 19–24. https://doi.org/10.18321/ectj135

Issue

Vol. 15 No. 1 (2013)

Section

Articles

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