Title: Synthesis and characterisation of ZnO nanoparticles

Authors: Karunapati Tripathi, M. Husain, M. Zulfequar, Islamuddin, Sami S. Habib, Zishan H. Khan

Addresses: Department of Physics, Jamia Millia Islamia (Central University), Jamia Nagar, New Delhi-110025, India. ' Department of Physics, Jamia Millia Islamia (Central University), Jamia Nagar, New Delhi-110025, India. ' Department of Physics, Jamia Millia Islamia (Central University), Jamia Nagar, New Delhi-110025, India. ' Faculty of Engineering and Technology, Department of Applied Sciences and Humanities, Jamia Millia Islamia (Central University), Jamia Nagar, New Delhi-110025, India. ' Center of Nanotechnology, King Fahad Medical Research Center, King Abdulaziz University, P.O. Box 80216, Jeddah-21589, Kingdom of Saudi Arabia. ' Center of Nanotechnology, King Fahad Medical Research Center, King Abdulaziz University, P.O. Box 80216, Jeddah-21589, Kingdom of Saudi Arabia; Faculty of Engineering and Technology, Department of Applied Sciences and Humanities, Jamia Millia Islamia (Central University), Jamia Nagar, New Delhi-110025, India

Abstract: A physical vapour condensation method is used to synthesise the nanoparticles of ZnO. The size of these nanoparticles varies from 40 nm to 100 nm. Mostly, these nanoparticles are spherical in shape but contain some impurities. The XRD data shows a sharp peak at 36.87°, which is very close to that of zinc oxide nanoparticles grown by oxidation in the presence of ambient gases i.e., oxygen mixed with argon. From UV visible spectra of these nanoparticles, a peak at 381 nm and 373 nm is observed. The broad peak at 373 nm is responsible for the conversion of zinc into zinc oxide.

Keywords: ZnO nanorods; UV-VIS spectra; physical vapour condensation; X-ray diffraction; XRD; SEM; transmission electron microscopy; TEM; zinc oxide; nanotechnology; synthesis; characterisation; nanoparticles.

DOI: 10.1504/IJNP.2009.028745

International Journal of Nanoparticles, 2009 Vol.2 No.1/2/3/4/5/6, pp.129-137

Published online: 30 Sep 2009 *

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